| Name | Nation | Sport | Games | Notes |
|---|
| Eadaoin Ní Challarain | Ireland | Canoe slalom | 2000 Summer, 2004 Summer | |
| Fu-Te Ni | Chinese Taipei | Baseball | 2008 Summer | |
| Ni Hong | China | Fencing | 2008 Summer | |
| Jenq Ni [ Wikidata ] | Rhythmic gymnastics | 1996 Summer | |
| Ni Shiwei | Water polo | 1988 Summer | |
| Tin Maung Ni | Myanmar | Swimming | 1960 Summer, 1964 Summer | |
| Ni Xialian | Luxembourg | Table tennis | 2000 Summer, 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Iryna Niafedava | Belarus | Swimming | 2004 Summer | |
| Ronodji Niakaken | Chad | Athletics | 1988 Summer | |
| Kalidiatou Niakaté | France | Handball | 2020 Summer | |
| Nian Yun | China | Swimming | 1996 Summer | |
| Abdoul Niane | Senegal | 2016 Summer | |
| Assmaa Niang | Morocco | Judo | 2016 Summer, 2020 Summer | |
| Babacar Niang | Senegal | Athletics | 1984 Summer, 1988 Summer, 1992 Summer | |
| Ndew Niang | 1976 Summer | |
| Ousmane Niang | 2000 Summer | |
| Nery Mantey Niangkouara | Greece | Swimming | 2004 Summer, 2012 Summer | |
| Haby Niaré | France | Taekwondo | 2016 Summer | |
| Namakoro Niaré | Mali | Athletics | 1968 Summer, 1972 Summer, 1980 Summer | |
| Yves Niaré | France | 2008 Summer | |
| Maksim Niastsiarenka | Belarus | 2016 Summer | |
| Muhammad Niaz Din | Pakistan | Wrestling | 1964 Summer | |
| Hamad Niazi | Egypt | Fencing | 1928 Summer | |
| Tariq Niazi | Pakistan | Field hockey | 1964 Summer, 1968 Summer | |
| Shlomo Niazov | Israel | Boxing | 1984 Summer | |
| Vincenzo Nibali | Italy | Road cycling | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Antonín Nič | Czechoslovakia | Wrestling | 1936 Summer | |
| Riccardo Niccolini | Italy | 1980 Summer | |
| Christian Niccum | United States | Luge | 2006 Winter, 2010 Winter, 2014 Winter | |
| Sandro Nicević | Croatia | Basketball | 2008 Summer | |
| Jacqueline Nichele [ Wikidata ] | Australia | Weightlifting | 2024 Summer | |
| Mikhail Nichepurenko | Soviet Union | Field hockey | 1980 Summer, 1988 Summer | |
| Maria Nichiforov | Romania | Canoe sprint | 1972 Summer | |
| Sarah Nichilo-Rosso | France | Judo | 1996 Summer, 2000 Summer | |
| Marina Nichișenco | Moldova | Athletics | 2008 Summer, 2016 Summer | |
| Anastasia Nichita | Wrestling | 2020 Summer, 2024 Summer | |
| Damian Nichol | South Africa | Rowing | 1952 Summer | |
| Helen Nichol | Canada | Badminton | 2004 Summer | |
| Jacki Nichol | Softball | 2000 Summer | |
| Wilfred Nichol | Great Britain | Athletics | 1924 Summer | |
| Breanne Nicholas | Canada | Rugby sevens | 2020 Summer | |
| Bryden Nicholas | Cook Islands | Canoe slalom | 2016 Summer | |
| Conor Nicholas [ Wikidata ] | Australia | Sailing | 2024 Summer | |
| Cynthia Nicholas | Canoe sprint | 1960 Summer | |
| Ella Nicholas | Cook Islands | Canoe slalom | 2012 Summer, 2016 Summer | |
| Fred Nicholas | Great Britain | Football | 1920 Summer | |
| Jane Nicholas | Cook Islands | Canoe slalom | 2020 Summer | |
| Joanne Nicholas | Great Britain | Badminton | 2004 Summer | |
| John Nicholas | Football | 1900 Summer | |
| John Nicholas | Australia | Ice hockey | 1960 Winter | |
| Peter Nicholas | New Zealand | Sailing | 2000 Summer | |
| Alana Nicholls | Australia | Canoe sprint | 2012 Summer | |
| Jamie Nicholls | Great Britain | Snowboarding | 2014 Winter, 2018 Winter | |
| Laura Nicholls | Canada | Swimming | 1996 Summer, 2000 Summer | |
| Laura Nicholls | Spain | Basketball | 2008 Summer, 2016 Summer | |
| Robyn Nicholls | Great Britain | Water polo | 2012 Summer | |
| Thomas Nicholls | Boxing | 1952 Summer, 1956 Summer | |
| Wendy Nicholls | Australia | Artistic gymnastics | 1956 Summer | |
| Freida Nicholls-Davy | Barbados | Athletics | 1972 Summer, 1976 Summer | |
| Alfred Nichols | Great Britain | 1920 Summer | |
| Caroline Nichols | United States | Field hockey | 2008 Summer, 2012 Summer | |
| Gareth Nichols | Australia | Bobsleigh | 2014 Winter | |
| Jennifer Nichols | United States | Archery | 2004 Summer, 2008 Summer, 2012 Summer | |
| Julie Nichols | Rowing | 2012 Summer | |
| Kevin Nichols | Australia | Track cycling | 1976 Summer, 1980 Summer, 1984 Summer | |
| Leonie Nichols | Artistic swimming | 2004 Summer | |
| Mark Nichols | Canada | Curling | 2006 Winter, 2022 Winter | |
| Monae' Nichols | United States | Athletics | 2024 Summer | |
| Russ Nichols | Canoe slalom | 1972 Summer | |
| Andrew Nicholson | New Zealand | Equestrian eventing | 1984 Summer, 1992 Summer, 1996 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Andrew Nicholson | Short track speed skating, Speed skating | 1992 Winter, 1994 Winter, 1998 Winter | |
| Chris Nicholson | Road cycling, Short track speed skating | 1992 Summer, 1992 Winter, 1994 Winter | |
| Chris Nicholson | Australia | Sailing | 2000 Summer, 2004 Summer | |
| Danell Nicholson | United States | Boxing | 1992 Summer | |
| George Nicholson | Great Britain | Sailing | 1960 Summer | |
| Hugo Nicholson | United States | Art competitions | 1932 Summer | |
| David Lee Nicholson | Great Britain | Rowing | 1964 Summer | |
| John Nicholson | United States | Athletics | 1912 Summer | |
| John Nicholson | Australia | Track cycling | 1968 Summer, 1972 Summer | |
| Kevin Nicholson | Canada | Baseball | 2004 Summer | |
| Lauren Nicholson | United States | Equestrian eventing | 2016 Summer | |
| Mandy Nicholson | Great Britain | Field hockey | 1992 Summer, 1996 Summer, 2000 Summer | |
| Natalie Nicholson | United States | Curling | 2010 Winter | |
| Neil Nicholson | Great Britain | Swimming | 1964 Summer | |
| Richard Nicholson | Rowing | 1960 Summer | |
| Sean Nicholson | Zimbabwe | Shooting | 2004 Summer, 2016 Summer | |
| Tyler Nicholson | Canada | Snowboarding | 2018 Winter | |
| William Nicholson | Great Britain | Art competitions | 1928 Summer, 1948 Summer | |
| Valeri Nichushkin | Russia | Ice hockey | 2014 Winter | |
| Ilija Ničić | Yugoslavia | Shooting | 1960 Summer | |
| Megan Nick | United States | Freestyle skiing | 2022 Winter | |
| Guy Nickalls | Great Britain | Rowing | 1908 Summer | |
| Guy Oliver Nickalls | 1920 Summer, 1928 Summer | |
| Patteson Womersley Nickalls | Polo | 1908 Summer | |
| Bernd Nickel | West Germany | Football | 1972 Summer | |
| Günther Nickel | Athletics | 1972 Summer | |
| Hans Nickel | Germany | Rowing | 1928 Summer | |
| Hartmut Nickel | East Germany | Ice hockey | 1968 Winter | |
| Horst Nickel | Germany | Biathlon | 1960 Winter | |
| James Nickel | Canada | Canoe sprint | 1952 Summer | |
| Rafael Nickel | West Germany | Fencing | 1984 Summer | |
| Jean Nickels | Luxembourg | Canoe sprint | 1948 Summer | |
| Jan Nicklasson | Sweden | Rowing | 1980 Summer | |
| Nils Nicklén | Finland | Athletics | 1948 Summer | |
| Bubba Nickles | United States | Softball | 2020 Summer | |
| Simon Nicklin | Great Britain | Field hockey | 1992 Summer | |
| CJ Nickolas | United States | Taekwondo | 2024 Summer | |
| Jennifer Nicks | Great Britain | Figure skating | 1948 Winter, 1952 Winter | |
| John Nicks | 1948 Winter, 1952 Winter | |
| William Nickson | Road cycling | 1976 Summer | |
| Hans Niclaus | Germany | Basketball | 1936 Summer | |
| Adelbert Nico | Virgin Islands | Shooting | 1972 Summer | |
| Vasilie Nicoară | Romania | Canoe sprint | 1960 Summer, 1964 Summer | |
| George Nicol | Great Britain | Athletics | 1908 Summer, 1912 Summer | |
| Greg Nicol | South Africa | Field hockey | 1996 Summer, 2004 Summer | |
| Herbert Nicol | Great Britain | Rugby | 1900 Summer | |
| Macleod Nicol | Luge | 1988 Winter | |
| Rachel Nicol | Canada | Swimming | 2016 Summer | |
| Franco Nicola | Argentina | Field hockey | 1988 Summer | |
| Marcelo Nicola | Basketball | 1996 Summer | |
| Jan Nicolaas | Netherlands | Boxing | 1936 Summer | |
| Constantin Nicolae | Romania | Fencing | 1972 Summer | |
| Florentin Nicolae | Alpine skiing | 2006 Winter | |
| Julie Nicolaes | Belgium | Track cycling | 2024 Summer | |
| Fritz Nicolai | Germany | Diving | 1908 Summer | |
| Paolo Nicolai | Italy | Beach volleyball | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Raniero Nicolai | Art competitions | 1920 Summer | |
| Mark Nicolaidis [ Wikidata ] | Australia | Beach volleyball | 2024 Summer | |
| Luis Nicolao | Argentina | Swimming | 1960 Summer, 1964 Summer, 1968 Summer | |
| Julien Nicolardot | France | 2008 Summer | |
| Julio César Nicolari | Uruguay | Boxing | 1924 Summer | |
| Astier Nicolas | France | Equestrian eventing | 2016 Summer | |
| Claude Nicolas | Athletics | 1968 Summer | |
| Frédérick Nicolas | Artistic gymnastics | 1996 Summer | |
| Marguerite Nicolas | Athletics | 1936 Summer | |
| Paul Nicolas | Football | 1920 Summer, 1924 Summer, 1928 Summer | |
| Paul Nicolas | Boxing | 1932 Summer | |
| Valérie Nicolas | Handball | 2000 Summer, 2004 Summer, 2008 Summer | |
| Christian Nicolau | Athletics | 1968 Summer | |
| Cristina Nicolau | Romania | 2000 Summer | |
| Horațiu Nicolau | Volleyball | 1964 Summer | |
| Mariana Nicolau | Brazil | Rugby sevens | 2020 Summer, 2024 Summer | |
| Mihai Nicolau | Romania | Bobsleigh | 1976 Winter | |
| Christian Nicolay | Germany | Athletics | 2004 Summer | |
| Amanaki Nicole | New Zealand | Rugby sevens | 2020 Summer | |
| André Nicolet | Switzerland | Sailing | 1976 Summer | |
| Rebecca Nicoli | Italy | Boxing | 2020 Summer | |
| Augusto Nicolini | Peru | Sailing | 2004 Summer | |
| Emanuele Nicolini | San Marino | Swimming | 2004 Summer, 2008 Summer | |
| Gabriela Nicolino | Brazil | Sailing | 2020 Summer | |
| Henry Nicoll | Great Britain | Equestrian jumping | 1948 Summer | |
| Mercedes Nicoll | Canada | Snowboarding | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Terry Nicoll | Australia | Modern pentathlon | 1956 Summer | |
| Jamie Nicolson | Boxing | 1992 Summer | |
| Skye Nicolson | 2020 Summer | |
| Tom Nicolson | Great Britain | Athletics | 1908 Summer, 1920 Summer | |
| Gianmarco Nicosia | Italy | Water polo | 2020 Summer, 2024 Summer | |
| Claude Nicouleau | France | Speed skating, Short track speed skating | 1988 Winter, 1992 Winter | |
| Claudia Nicula | Romania | Canoe sprint | 1992 Summer | |
| Emilian Nicula | Artistic gymnastics | 1984 Summer | |
| Constantin Niculae | Judo | 1980 Summer, 1984 Summer | |
| Cezar Niculescu | Basketball | 1952 Summer | |
| Constantin Niculescu | Boxing | 1964 Summer | |
| Dan Niculescu | Basketball | 1952 Summer | |
| Marin Niculescu | Road cycling | 1952 Summer | |
| Monica Niculescu | Tennis | 2016 Summer, 2020 Summer, 2024 Summer | |
| François Nidal [ Wikidata ] | France | Artistic gymnastics | 1908 Summer | |
| Marlène Nidecker | Taekwondo | 2012 Summer | |
| Miguel Nido | Puerto Rico | Tennis | 1992 Summer | |
| Nie Yali | China | Field hockey | 2000 Summer, 2004 Summer | |
| Lars Nieberg | Germany | Equestrian jumping | 1996 Summer, 2000 Summer | |
| Lorenz Nieberl | Bobsleigh | 1952 Winter, 1956 Winter | |
| Fritz Niebler | West Germany | Wrestling | 1976 Summer, 1984 Summer | |
| Urszula Niebrzydowska | Poland | Rowing | 1980 Summer | |
| Jerzy Nieć | Wrestling | 1988 Summer | |
| Bill Nieder | United States | Athletics | 1956 Summer, 1960 Summer | |
| Andreas Niederberger | West Germany, Germany | Ice hockey | 1984 Winter, 1988 Winter, 1992 Winter, 1994 Winter | |
| Dani Niederberger | Switzerland | Biathlon | 2002 Winter | |
| Julia Niederberger [ Wikidata ] | Athletics | 2024 Summer | |
| Mathias Niederberger | Germany | Ice hockey | 2022 Winter | |
| Armin Niederer | Switzerland | Freestyle skiing | 2014 Winter, 2018 Winter | |
| Eugen Niederer | Art competitions | 1936 Summer | |
| Hans Niederhauser | Boxing | 1952 Summer | |
| Andrea Niederheide | West Germany | Artistic gymnastics | 1972 Summer | |
| Walter Niederle | Austria | Field hockey | 1948 Summer | |
| Antonia Niedermaier | Germany | Road cycling | 2024 Summer | |
| Inge Niedermayer | Austria | Rowing | 1984 Summer | |
| Scott Niedermayer | Canada | Ice hockey | 2002 Winter, 2010 Winter | |
| Josef Niedermeier | West Germany | Biathlon | 1972 Winter, 1976 Winter | |
| Barbara Niedernhuber | Germany | Luge | 1998 Winter, 2002 Winter | |
| Nino Niederreiter | Switzerland | Ice hockey | 2014 Winter | |
| Kurt Niederstätter | Italy | Snowboarding | 2002 Winter | |
| Monika Niederstätter | Athletics | 2000 Summer, 2004 Summer | |
| Urs Niedhart | Switzerland | Nordic combined | 1992 Winter | |
| Guntis Niedra | Soviet Union | Rowing | 1968 Summer | |
| Gizela Niedurny | Poland | Artistic gymnastics | 1960 Summer, 1964 Summer | |
| Łukasz Niedziałek | Athletics | 2020 Summer | |
| Marek Niedziałkowski | Rowing | 1980 Summer | |
| Henryk Niedźwiedzki | Boxing | 1952 Summer, 1956 Summer | |
| Konrad Niedźwiedzki | Speed skating | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Cory Niefer | Canada | Shooting | 2012 Summer | |
| Nieh Pin-chieh | Chinese Taipei | Swimming | 2004 Summer, 2008 Summer | |
| Charles Henry Niehaus | United States | Art competitions | 1932 Summer | |
| Horst Niehaus | Costa Rica | Swimming | 1988 Summer | |
| Jutta Niehaus | West Germany, Germany | Road cycling | 1988 Summer, 1992 Summer | |
| Sigrid Niehaus | Costa Rica | Swimming | 1988 Summer | |
| Eric Niehe | Netherlands | Rowing | 1968 Summer | |
| Jens Niehls | East Germany | Equestrian eventing | 1972 Summer | |
| Peter Niehusen | West Germany | Rowing | 1976 Summer | |
| Brian van Niekerk | Rhodesia | Boxing | 1960 Summer | |
| Peter van Niekerk | Netherlands | Sailing | 2000 Summer, 2004 Summer | |
| Russell van Niekerk [ Wikidata ] | South Africa | Baseball | 2000 Summer | |
| Henryk Nielaba | Poland | Fencing | 1964 Summer, 1968 Summer, 1972 Summer | |
| Joanna Niełacna | Athletics | 2000 Summer | |
| Nick Nieland | Great Britain | 1996 Summer, 2000 Summer, 2004 Summer | |
| Gabriel Niell | Argentina | Road cycling | 1960 Summer | |
| Louis-Georges Niels | Belgium | Bobsleigh | 1948 Winter | |
| Anders Nielsen | Great Britain | Badminton | 1992 Summer | |
| Anders Peter Nielsen | Denmark | Shooting | 1900 Summer, 1912 Summer, 1920 Summer, 1924 Summer | |
| Anja Nielsen | Handball | 2000 Summer | |
| Anna Nielsen | Shooting | 2020 Summer | |
| Arne Nielsen | 1924 Summer | |
| Arne Højme Nielsen [ Wikidata ] | Athletics | 1908 Summer | |
| Artur Nielsen | 1920 Summer | |
| Benny Nielsen | Boxing | 1960 Summer | |
| Benny Nielsen | Swimming | 1988 Summer | |
| Birthe Nielsen | Athletics | 1948 Summer | |
| Børge Nielsen | Artistic gymnastics | 1952 Summer | |
| Børge Saxil Nielsen | Road cycling | 1948 Summer | |
| Brian Nielsen | Boxing | 1992 Summer | |
| Carl Nielsen | Rowing | 1952 Summer | |
| Casper Nielsen | Football | 2016 Summer | |
| Christian Nielsen | Sailing | 1924 Summer | |
| Christian Nielsen | Belgium | 1952 Summer | |
| Claus Børge Nielsen | Denmark | Boxing | 1988 Summer | |
| Donald Nielsen Jr. | United States | Biathlon | 1980 Winter, 1984 Winter | |
| Edel Nielsen | Denmark | Swimming | 1936 Summer | |
| Edith Nielsen | Diving | 1924 Summer, 1928 Summer | |
| Eigil Nielsen | Football | 1948 Summer | |
| Ejgo Vejby Nielsen | Rowing | 1960 Summer | |
| Elsa Nielsen | Iceland | Badminton | 1992 Summer, 1996 Summer | |
| Emil Nielsen | Denmark | Handball | 2024 Summer | |
| Erling Nielsen | Field hockey | 1948 Summer, 1960 Summer | |
| Flemming Nielsen | Football | 1960 Summer | |
| Frans Nielsen | Ice hockey | 2022 Winter | |
| Frants Nielsen | Shooting | 1912 Summer | |
| Frida Sanggaard Nielsen | Rowing | 2020 Summer, 2024 Summer | |
| Grethe Lovsø Nielsen | Athletics | 1948 Summer | |
| Gunnar Nielsen | 1952 Summer, 1956 Summer | |
| Gunner Nielsen | Rowing | 1968 Summer | |
| Gustaf Nielsen | Shooting | 1948 Summer | |
| Hans Jacob Nielsen | Boxing | 1920 Summer, 1924 Summer, 1928 Summer | |
| Hans Christian Nielsen | Track cycling | 1936 Summer | |
| Hans Christian Nielsen | Football | 1960 Summer | |
| Hans Peter Nielsen | Artistic gymnastics | 1968 Summer | |
| Harald Nielsen | Boxing | 1924 Summer | |
| Harald Nielsen | Football | 1960 Summer | |
| Harry Nielsen | Rowing | 1952 Summer | |
| Helge Nielsen | Canoe sprint | 1936 Summer | |
| Henri Nielsen [ Wikidata ] | Wrestling | 1908 Summer | |
| Henrik Nielsen | Norway | Artistic gymnastics | 1920 Summer | |
| Henry Nielsen | Denmark | Athletics | 1936 Summer | |
| Holger Nielsen | Athletics, Fencing, Shooting | 1896 Summer | |
| Ib Nielsen | Fencing | 1948 Summer, 1952 Summer | |
| Ib Nielsen | Rowing | 1948 Summer | |
| Ida Marie Baad Nielsen | Sailing | 2020 Summer | |
| Ingar Nielsen | Norway | 1920 Summer, 1924 Summer | |
| Ingvard Nielsen | Denmark | Athletics | 1948 Summer | |
| Jack Nielsen | Norway | Tennis | 1920 Summer, 1924 Summer | |
| Jack Nielsen | Alpine skiing | 1948 Winter | |
| Jaime Nielsen | New Zealand | Track cycling | 2012 Summer, 2016 Summer, 2020 Summer | |
| Jeppe Nielsen | Denmark | Swimming | 2000 Summer | |
| Jesper Nielsen | Sweden | Handball | 2016 Summer | |
| Johnny Nielsen | Denmark | Wrestling | 1968 Summer | |
| Jørgen Boye Nielsen | Field hockey | 1948 Summer | |
| Karen Margrethe Nielsen | Rowing | 1976 Summer | |
| Kasper Nielsen | Handball | 2008 Summer, 2012 Summer | |
| Keld Nielsen | 1984 Summer | |
| Kjeld Nielsen | Athletics | 1908 Summer | |
| Klaus Nielsen | Cycling mountain bike | 2008 Summer | |
| Klaus Kynde Nielsen | Track cycling | 1992 Summer | |
| Knud Nielsen | Rowing | 1960 Summer, 1964 Summer | |
| Lars Nielsen | 1984 Summer | |
| Lasse Nielsen | Canoe sprint | 2004 Summer | |
| Laviai Nielsen | Great Britain | Athletics | 2020 Summer, 2024 Summer | |
| Lene Nielsen | Denmark | Curling | 2006 Winter, 2014 Winter | |
| Leo Nielsen | Road cycling | 1928 Summer, 1932 Summer | |
| Lina Nielsen | Great Britain | Athletics | 2024 Summer | |
| Lukas Nielsen | Denmark | Artistic gymnastics | 1908 Summer, 1912 Summer | |
| Majbrit Nielsen | Rowing | 2004 Summer | |
| Mathias Møller Nielsen | Track cycling | 2012 Summer | |
| Matthew Nielsen | Australia | Basketball | 2004 Summer, 2008 Summer, 2012 Summer | |
| Mette Nielsen | Denmark | Swimming | 1992 Summer, 1996 Summer | |
| Michael Nielsen | Track cycling | 1996 Summer | |
| Michael Nielsen | Shooting | 2004 Summer | |
| Mie Nielsen | Swimming | 2012 Summer, 2016 Summer | |
| Morten Nielsen | Sailing | 1980 Summer | |
| Morten Nielsen | Rowing | 2008 Summer | |
| Néstor Nielsen | Uruguay | Equestrian jumping | 2016 Summer | |
| Niels Nielsen | Norway | Sailing | 1920 Summer | |
| Niels Nielsen | Denmark | Rowing | 1964 Summer | |
| Niels Erik Nielsen | Artistic gymnastics | 1920 Summer | |
| Niels Cristian Nielsen | 1920 Summer | |
| Niels Turin Nielsen | 1908 Summer, 1920 Summer | |
| Odd Bonde Nielsen | Norway | Shooting | 1948 Summer | |
| Ole Gammelgaard Nielsen | Denmark | Archery | 1988 Summer, 1992 Summer | |
| Ove Nielsen | Rowing | 1952 Summer | |
| Patricia Nielsen | Great Britain | Swimming | 1948 Summer | |
| Paul Nielsen | Canada | Luge | 1972 Winter | |
| Peer Nielsen | Denmark | Canoe sprint | 1964 Summer | |
| Per Nielsen | Shooting | 1952 Summer, 1960 Summer | |
| Peter Nielsen [ Wikidata ] | 1912 Summer | |
| Poul Nielsen | Football | 1912 Summer | |
| Poul Erik Nielsen | Rowing | 1964 Summer | |
| Poul Moll Nielsen | Field hockey | 1948 Summer, 1960 Summer | |
| Renata Nielsen | Athletics | 1992 Summer, 1996 Summer | |
| Robert Nielsen | Wrestling | 1936 Summer | |
| Sophus Nielsen | Football | 1908 Summer, 1912 Summer | |
| Stine Nielsen | Shooting | 2012 Summer, 2016 Summer | |
| Svend Nielsen | Wrestling | 1920 Summer, 1924 Summer | |
| Svend Nielsen | Football | 1952 Summer | |
| Sverri Sandberg Nielsen | Rowing | 2020 Summer, 2024 Summer | |
| Thor Nielsen | Canoe sprint | 1992 Summer, 1996 Summer | |
| Tommy Nielsen | Road cycling | 1988 Summer | |
| Tove Nielsen | Swimming | 1936 Summer | |
| Trine Nielsen | Handball | 2004 Summer | |
| Vagn Nielsen | 1972 Summer | |
| Valdemar Nielsen | Road cycling | 1912 Summer | |
| Valdemar Christoffer Nielsen [ Wikidata ] | 1912 Summer | |
| Villy Moll Nielsen | Field hockey | 1960 Summer | |
| Winnie Nielsen | Swimming | 1972 Summer | |
| Aage Nielsen-Edwin | Art competitions | 1936 Summer | |
| Roberto Nielsen-Reyes | Bolivia | Equestrian jumping | 1968 Summer, 1972 Summer, 1976 Summer | |
| Edvard Nielsen-Stevns | Denmark | Art competitions | 1928 Summer | |
| Arne Nielsson | Canoe sprint | 1988 Summer, 1992 Summer, 1996 Summer | |
| Susanne Nielsson | Swimming | 1976 Summer, 1980 Summer | |
| Robert Nieman | United States | Modern pentathlon | 1976 Summer, 1988 Summer | |
| Otto Niemand [ Wikidata ] | Artistic gymnastics | 1904 Summer | |
| Dries Niemann | South Africa | Boxing | 1952 Summer | |
| Helga Niemann | West Germany | Swimming | 1972 Summer | |
| Herbert Niemann | Germany | Judo | 1964 Summer | |
| Joaquín Niemann | Chile | Golf | 2020 Summer, 2024 Summer | |
| Petra Niemann | Germany | Sailing | 2000 Summer, 2004 Summer, 2008 Summer | |
| Gunda Niemann-Stirnemann | East Germany, Germany | Speed skating | 1988 Winter, 1992 Winter, 1994 Winter, 1998 Winter | |
| Barbara Niemczyk | Poland | Volleyball | 1968 Summer | |
| Magdalena Niemczyk [ Wikidata ] | Athletics | 2024 Summer | |
| Henri Niemegeerts | Belgium | Field hockey | 1948 Summer | |
| Carola Niemelä [ Wikidata ] | Finland | Snowboarding | 2022 Winter | |
| Ilmari Niemeläinen | Diving, Art competitions | 1936 Summer, 1948 Summer | |
| Luisa Niemesch | Germany | Wrestling | 2016 Summer, 2024 Summer | |
| Frédéric Niemeyer | Canada | Tennis | 2004 Summer, 2008 Summer | |
| Antti-Jussi Niemi | Finland | Ice hockey | 2006 Winter | |
| Erkki Niemi | Athletics | 1984 Summer | |
| Esko Niemi | Ice hockey | 1960 Winter | |
| Jaakko Niemi | Biathlon | 1992 Winter | |
| Matti Niemi | Rowing | 1956 Summer | |
| Pekka Niemi | Cross country skiing | 1936 Winter | |
| Pekka Niemi | Weightlifting | 1980 Summer, 1984 Summer | |
| Saara Niemi | Ice hockey | 2006 Winter, 2010 Winter | |
| Timo Niemi | Wrestling | 1988 Summer, 1992 Summer | |
| Adam Niemiec | Poland | Basketball | 1968 Summer | |
| Franciszek Niemiec | 1972 Summer | |
| Przemysław Niemiec | Road cycling | 2008 Summer | |
| Aimo Nieminen | Finland | Weightlifting | 1972 Summer | |
| Anu Nieminen | Badminton | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Eeti Nieminen | Cross country skiing, Nordic combined | 1952 Winter, 1956 Winter | |
| Ensio Nieminen | Track cycling | 1952 Summer | |
| Ilpo Nieminen | Canoe sprint | 1984 Summer | |
| Jarkko Nieminen | Tennis | 2004 Summer, 2008 Summer, 2012 Summer | |
| Kalle Nieminen | Athletics | 1908 Summer | |
| Martti Nieminen | Wrestling | 1920 Summer | |
| Mika Nieminen | Ice hockey | 1992 Winter, 1994 Winter, 1998 Winter | |
| Minna Nieminen | Rowing | 2008 Summer | |
| Pertti Nieminen | Ice hockey | 1960 Winter | |
| Petra Nieminen | 2018 Winter, 2022 Winter | |
| Pirkko Nieminen | Artistic gymnastics | 1960 Summer | |
| Timo Nieminen | Shooting | 1984 Summer, 1988 Summer | |
| Toni Nieminen | Ski jumping | 1992 Winter, 2002 Winter | |
| Tuomas Nieminen | Speed skating | 2010 Winter | |
| Tuure Nieminen | Ski jumping | 1924 Winter | |
| Veli Nieminen | Artistic gymnastics, Shooting | 1908 Summer, 1920 Summer, 1924 Summer | |
| Ville Nieminen | Ice hockey | 2002 Winter, 2006 Winter | |
| Villiam Nieminen [ Wikidata ] | Artistic gymnastics | 1912 Summer | |
| Wickus Nienaber | Eswatini | Swimming | 2000 Summer, 2004 Summer | |
| Simon Niepmann | Switzerland | Rowing | 2012 Summer, 2016 Summer | |
| Nicolas Nieri | Peru | Football | 1960 Summer | |
| Rudolf Nierlich | Austria | Alpine skiing | 1988 Winter | |
| Georg Niermann | Germany | Rowing | 1960 Summer | |
| Norbert Nieroba | West Germany | Boxing | 1988 Summer | |
| Justus Nieschlag | Germany | Triathlon | 2020 Summer | |
| Bernd Niesecke | East Germany | Rowing | 1988 Summer | |
| Susanne Niesner | Switzerland | Swimming | 1972 Summer | |
| Dieter Niess | Germany | Ice hockey | 1952 Winter | |
| Franz Nießner | West Germany | Bobsleigh | 1984 Winter, 1988 Winter | |
| Jamie Nieto | United States | Athletics | 2004 Summer, 2012 Summer | |
| Raúl Nieto | Mexico | Equestrian jumping | 1984 Summer | |
| Shevon Nieto | Jamaica | Athletics | 2004 Summer, 2008 Summer | |
| Marian Nietupski | Poland | Rowing | 1956 Summer | |
| Gaston Peers de Nieuwburgh | Belgium | Polo | 1920 Summer | |
| Hans Nieuwenburg | Netherlands | Water polo | 1992 Summer, 1996 Summer | |
| Kirsten Nieuwendam | Suriname | Athletics | 2008 Summer, 2012 Summer | |
| Joe Nieuwendyk | Canada | Ice hockey | 1998 Winter, 2002 Winter | |
| Peter Nieuwenhuis | Netherlands | Track cycling | 1976 Summer | |
| Pim Nieuwenhuis | Sailing | 2008 Summer | |
| Anneloes Nieuwenhuizen | Field hockey | 1984 Summer, 1988 Summer | |
| Antonius van Nieuwenhuizen | Fencing | 1900 Summer | |
| Dick Nieuwenhuizen | Water polo | 1980 Summer, 1984 Summer | |
| Caroline van Nieuwenhuyze-Leenders | Field hockey | 1992 Summer | |
| Henk Nieuwkamp | Track cycling | 1968 Summer | |
| Sandra Nieuwveen | Softball | 1996 Summer | |
| Fabricio Nieva | Argentina | Boxing | 1996 Summer | |
| Cris Nievarez | Philippines | Rowing | 2020 Summer | |
| Kelvin de la Nieve | Spain | Boxing | 2008 Summer, 2012 Summer | |
| Oliba Nieve | Ecuador | Weightlifting | 2012 Summer | |
| Ernst Nievergelt | Switzerland | Road cycling | 1936 Summer | |
| Anibál Nieves | Puerto Rico | Wrestling | 1992 Summer, 1996 Summer | |
| Edilio Centeno Nieves [ Wikidata ] | Refugee Olympic Team | Shooting | 2024 Summer | |
| Efraín Nieves [ Wikidata ] | Puerto Rico | Baseball | 1992 Summer | |
| Felipe Nieves | Boxing | 1988 Summer | |
| José Alonso Nieves | 1964 Summer | |
| Nelson Nieves | Venezuela | Fencing | 1952 Summer | |
| Néstor Nieves | Athletics | 1996 Summer | |
| Osvaldo Nieves | Puerto Rico | 2000 Summer | |
| Pedro Nieves | Venezuela | Boxing | 1980 Summer | |
| Katarzyna Niewiadoma | Poland | Road cycling | 2016 Summer, 2020 Summer, 2024 Summer | |
| Zbigniew Niewiadomski | Canoe sprint | 1972 Summer | |
| Marcin Niewiara | Bobsleigh | 2010 Winter | |
| Michał Niewiński [ Wikidata ] | Short track speed skating | 2022 Winter | |
| Sean Niewold [ Wikidata ] | Netherlands | Swimming | 2024 Summer | |
| Whaddon Niewoudt | South Africa | Athletics | 1992 Summer | |
| Olga Niewska | Poland | Art competitions | 1928 Summer, 1932 Summer, 1936 Summer | |
| Henryk Niezabitowski | Rowing | 1928 Summer | |
| Hanna Nifantava | Belarus | Speed skating | 2022 Winter | |
| Isidor Niflot | United States | Wrestling | 1904 Summer | |
| Ivan Nifontov | Russia | Judo | 2012 Summer | |
| Ion Niga | Romania | Rowing | 1952 Summer | |
| Marina Nigg | Liechtenstein | Alpine skiing | 2010 Winter, 2014 Winter | |
| Michele Niggeler | Switzerland | Fencing | 2020 Summer | |
| Hans Niggl | Athletics | 1928 Summer | |
| Jenna Nighswonger | United States | Football | 2024 Summer | |
| Conrad Nightingale | Athletics | 1968 Summer | |
| Danny Nightingale | Great Britain | Modern pentathlon | 1976 Summer, 1980 Summer | |
| Huw Nightingale | Snowboarding | 2022 Winter | |
| John Nightingale | United States | Figure skating | 1952 Winter | |
| Lynn Nightingale | Canada | 1976 Winter | |
| Joël Nigiono | Monaco | Shooting | 1984 Summer | |
| Piret Niglas | Estonia | Cross country skiing | 1992 Winter, 1994 Winter, 2002 Winter | |
| Uliana Nigmatullina | Russian Olympic Committee | Biathlon | 2018 Winter, 2022 Winter | |
| Claude Nigon | France | Fencing | 1952 Summer, 1956 Summer | |
| Gabriel Nigon | Switzerland | 1984 Summer | |
| Frank Nigro | Italy | Ice hockey | 1992 Winter | |
| Herbert Nigsch | Austria | Wrestling | 1980 Summer, 1984 Summer | |
| Pierre Nihant | Belgium | Track cycling | 1948 Summer | |
| Paul Nihill | Great Britain | Athletics | 1964 Summer, 1968 Summer, 1972 Summer, 1976 Summer | |
| Alexis Nihon Jr. | Bahamas | Wrestling | 1968 Summer | |
| Robert Nihon | 1968 Summer | |
| Pierre-Célestin Nihorimbere | Burundi | Athletics | 2016 Summer | |
| Toshio Niimi | Japan | Handball | 1972 Summer | |
| Janne Niinimaa | Finland | Ice hockey | 1998 Winter, 2002 Winter | |
| Pentti Niinivuori | Boxing | 1952 Summer, 1956 Summer | |
| Marek Niit | Estonia | Athletics | 2012 Summer | |
| Otto Niittykoski [ Wikidata ] | Finland | Nordic combined | 2022 Winter | |
| Pertti Niittylä | Speed skating | 1976 Winter, 1980 Winter, 1984 Winter, 1988 Winter | |
| Vilho Niittymaa | Athletics | 1924 Summer | |
| Antero Niittymäki | Ice hockey | 2006 Winter | |
| Hitomi Niiya | Japan | Athletics | 2012 Summer, 2020 Summer | |
| Yuki Niizawa | Water polo | 2020 Summer | |
| Saki Niizoe | Judo | 2024 Summer | |
| Abderrazak Nijam | Morocco | Football | 1964 Summer | |
| Gerard Nijboer | Netherlands | Athletics | 1980 Summer, 1984 Summer, 1988 Summer | |
| Henk Nijdam | Track cycling | 1960 Summer | |
| Jelle Nijdam | 1984 Summer | |
| Beorn Nijenhuis | Speed skating | 2006 Winter | |
| Moniek Nijhuis | Swimming | 2012 Summer | |
| Thijs Nijhuis | Denmark | Athletics | 2020 Summer | |
| Yushan Nijiati | China | Boxing | 2008 Summer | |
| Jan-Dirk Nijkamp | Netherlands | Canoe sprint | 1992 Summer | |
| Dorus Nijland | Track cycling | 1908 Summer | |
| Jerry Nijman | Boxing | 1992 Summer | |
| Pierre Nijs | Belgium | Water polo | 1912 Summer, 1920 Summer | |
| Aleksey Nikanchikov | Soviet Union | Fencing | 1964 Summer, 1968 Summer | |
| Yury Nikandrov | Shooting | 1952 Summer, 1956 Summer, 1960 Summer | |
| Galina Nikandrova | Belarus | Rhythmic gymnastics | 2004 Summer | |
| Kseniya Nikandrova | Kazakhstan | Handball | 2008 Summer | |
| Ilias Nikas | Greece | Judo | 1992 Summer | |
| Yoshihiro Nikawadori | Japan | Handball | 1988 Summer | |
| Ivan Nikčević | Serbia | 2012 Summer | |
| Nikola Nikezić | Serbia and Montenegro | Football | 2004 Summer | |
| Amin Nikfar | Iran | Athletics | 2008 Summer, 2012 Summer | |
| Miloš Nikić | Serbia | Volleyball | 2008 Summer, 2012 Summer | |
| Slobodan Nikić | Serbia and Montenegro, Serbia | Water polo | 2004 Summer, 2012 Summer, 2016 Summer | |
| Władysław Nikiciuk | Poland | Athletics | 1964 Summer, 1968 Summer | |
| Aniela Nikiel | 1996 Summer | |
| Elisabeth Nikiema | Burkina Faso | Swimming | 2008 Summer | |
| Jan-Peter Nikiferow | Germany | Artistic gymnastics | 1996 Summer, 2000 Summer | |
| Artūrs Ņikiforenko | Latvia | Judo | 2016 Summer | |
| Sergey Nikiforov | Soviet Union | Nordic combined | 1988 Winter | |
| Toma Nikiforov | Belgium | Judo | 2016 Summer, 2020 Summer, 2024 Summer | |
| Viktor Nikiforov | Soviet Union | Ice hockey | 1956 Winter | |
| Denis Nikisha | Kazakhstan | Short track speed skating | 2014 Winter, 2018 Winter, 2022 Winter | |
| Alexander Nikishin | Russian Olympic Committee | Ice hockey | 2022 Winter | |
| Svetlana Nikishina | Soviet Union | Volleyball | 1980 Summer | |
| Viktoria Nikishina | Russia | Fencing | 2008 Summer | |
| Bohdan Nikishyn | Ukraine | 2004 Summer, 2008 Summer, 2016 Summer, 2020 Summer | |
| Nikita | Brazil | Swimming | 1968 Summer | |
| Lyubov Nikitenko | Soviet Union | Athletics | 1976 Summer | |
| Boris Nikitin | Swimming | 1956 Summer, 1960 Summer | |
| Georgy Nikitin | Russia | Rowing | 1996 Summer | |
| Grigori Nikitin | Football | 1912 Summer | |
| Igor Nikitin | Soviet Union | Weightlifting | 1980 Summer | |
| Igor Nikitin | Kazakhstan | Ice hockey | 1998 Winter | |
| Maksym Nikitin | Ukraine | Figure skating | 2018 Winter, 2022 Winter | |
| Nikita Nikitin | Russia | Ice hockey | 2014 Winter | |
| Sarah Nikitin | Brazil | Archery | 2016 Summer | |
| Stanislav Nikitin | Russian Olympic Committee | Freestyle skiing | 2018 Winter, 2022 Winter | |
| Valeri Nikitin | Estonia | Wrestling | 1992 Summer, 1996 Summer, 2000 Summer | |
| Vladimir Nikitin | Soviet Union | Cross country skiing | 1984 Winter | |
| Vladimir Nikitin | Russia | Boxing | 2016 Summer | |
| Yuri Nikitin | Ukraine | Trampolining | 2004 Summer, 2008 Summer, 2012 Summer | |
| Diāna Ņikitina | Latvia | Figure skating | 2018 Winter | |
| Elena Nikitina | Russia, Russian Olympic Committee | Skeleton | 2014 Winter, 2022 Winter | |
| Gabriela Ņikitina | Latvia | Swimming | 2012 Summer | |
| Inna Nikitina | Ukraine | 2000 Summer | |
| Liubov Nikitina | Russian Olympic Committee | Freestyle skiing | 2018 Winter, 2022 Winter | |
| Olga Nikitina | Fencing | 2020 Summer | |
| Marcus Nikkanen | Finland | Figure skating | 1928 Winter, 1932 Winter, 1936 Winter | |
| Minna Nikkanen | Athletics | 2012 Summer, 2016 Summer | |
| Yrjö Nikkanen | 1936 Summer | |
| Seppo Nikkari | 1972 Summer | |
| Theo Nikkessen | Netherlands | Track cycling | 1960 Summer | |
| Samad Nikkhah Bahrami | Iran | Basketball | 2008 Summer, 2020 Summer | |
| Fazlollah Nikkhah | Boxing | 1952 Summer | |
| Seppo Nikkilä | Finland | Ice hockey | 1964 Winter | |
| Erik Nikkinen | Boxing | 1968 Summer | |
| Soini Nikkinen | Athletics | 1948 Summer, 1952 Summer | |
| Ari-Pekka Nikkola | Ski jumping | 1988 Winter, 1992 Winter, 1994 Winter, 1998 Winter | |
| Elmer Niklander | Athletics | 1908 Summer, 1912 Summer, 1920 Summer, 1924 Summer | |
| Alfons Niklas | Poland | 1956 Summer | |
| John Niklasson | Sweden | Rowing | 1952 Summer | |
| André Niklaus | Germany | Athletics | 2008 Summer | |
| Mandy Niklaus | East Germany | Fencing | 1980 Summer | |
| Stephan Niklaus | Switzerland | Athletics | 1980 Summer | |
| Hossein Niknam | Iran | Fencing | 1976 Summer | |
| Asparuh Nikodimov | Bulgaria | Football | 1968 Summer | |
| Jaroslav Nikodým | Czechoslovakia | Judo | 1980 Summer | |
| Aleksandr Nikolaenko | Russia | Badminton | 2012 Summer | |
| Pavel Nikolaev | Canoe sprint | 2012 Summer | |
| Margarita Nikolaeva | Soviet Union | Artistic gymnastics | 1960 Summer | |
| Olga Nikolaeva | Russia | Volleyball | 2004 Summer | |
| Fritz Nikolai | Austria | Football | 1952 Summer | |
| Alexandros Nikolaidis | Greece | Taekwondo | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Antonis Nikolaidis | Cyprus | Shooting | 1992 Summer, 1996 Summer, 2004 Summer, 2008 Summer | |
| Apostolos Nikolaidis | Greece | Athletics, Football | 1920 Summer | |
| Dimitris Nikolaidis | Water polo | 2024 Summer | |
| Pantelis Nikolaidis | Athletics | 1968 Summer | |
| Theodoros Nikolaidis | Football | 1920 Summer | |
| Aikaterini Nikolaidou | Rowing | 2016 Summer | |
| Mirza Nikolajev [ Wikidata ] | Bosnia and Herzegovina | Luge | 2022 Winter | |
| Aksel Nikolajsen | Denmark | Athletics | 1928 Summer | |
| Konstantia Nikolaou | Cyprus | Shooting | 2024 Summer | |
| Nikos Nikolaou | Greece | Rowing | 1948 Summer, 1952 Summer | |
| Panagiotis Nikolaou | Cyprus | Sailing | 1980 Summer | |
| Michael Nikolay | East Germany | Artistic gymnastics | 1976 Summer, 1980 Summer | |
| Volodymyr Nikolaychuk | Ukraine | Swimming | 1996 Summer, 2000 Summer, 2004 Summer | |
| Gennady Nikolayev | Soviet Union | 1956 Summer, 1960 Summer | |
| Oleg Nikolayev | Unified Team | Boxing | 1992 Summer | |
| Pyotr Nikolayev | Soviet Union | Shooting | 1952 Summer | |
| Valentin Nikolayev | Football | 1952 Summer | |
| Valentin Nikolayev | Wrestling | 1956 Summer | |
| Yegor Nikolayev | Russia | Athletics | 2012 Summer | |
| Yekaterina Nikolayeva | Russian Olympic Committee | Ice hockey | 2018 Winter | |
| Yelena Nikolayeva | Unified Team, Russia | Athletics | 1992 Summer, 1996 Summer, 2004 Summer | |
| Elena Nikoli | Greece | Handball | 2004 Summer | |
| Aleksandar Nikolić | Yugoslavia | Fencing | 1936 Summer | |
| Aleksej Nikolić | Slovenia | Basketball | 2020 Summer | |
| Jelena Nikolić | Serbia | Volleyball | 2008 Summer, 2016 Summer | |
| Jovica Nikolić | Yugoslavia | Football | 1984 Summer | |
| Milica Nikolić | Serbia | Judo | 2020 Summer, 2024 Summer | |
| Miodrag Nikolić | Yugoslavia | Basketball | 1960 Summer, 1964 Summer | |
| Ratko Nikolić | Serbia and Montenegro | Handball | 2000 Summer | |
| Simo Nikolić | Yugoslavia | Sailing | 1968 Summer, 1972 Summer | |
| Uroš Nikolić | Serbia | Swimming | 2020 Summer | |
| Vera Nikolić | Yugoslavia | Athletics | 1968 Summer, 1972 Summer | |
| Valery Nikolin | Soviet Union | Sailing | 1964 Summer | |
| Andrei Nikolishin | Russia | Ice hockey | 1994 Winter, 2002 Winter | |
| Alexandros Nikolopoulos | Greece | Weightlifting | 1896 Summer | |
| Alexandros Nikolopoulos | Modern pentathlon | 1992 Summer | |
| Konstantinos Nikolopoulos | Water polo | 1920 Summer | |
| Konstantinos Nikolopoulos | Fencing | 1924 Summer, 1928 Summer | |
| Stamatios Nikolopoulos | Track cycling | 1896 Summer | |
| Katerina Nikoloska | North Macedonia | Judo | 2016 Summer | |
| Aleksandar Nikolov | Bulgaria | Road cycling | 1936 Summer | |
| Aleksandar Nikolov | Swimming | 2016 Summer | |
| Alexander Nikolov | Boxing | 1964 Summer | |
| Andon Nikolov | Weightlifting | 1972 Summer | |
| Asen Nikolov | Boxing | 1972 Summer | |
| Boris Nikolov | 1952 Summer, 1956 Summer | |
| Georgi Nikolov | Rowing | 1968 Summer | |
| Ivan Nikolov | Basketball | 1952 Summer | |
| Marin Nikolov | Track cycling | 1936 Summer | |
| Mincho Nikolov | Rowing | 1976 Summer, 1980 Summer | |
| Nikolay Nikolov | Modern pentathlon | 1976 Summer, 1980 Summer | |
| Nikolay Nikolov | Volleyball | 2012 Summer | |
| Ognyan Nikolov | Wrestling | 1972 Summer | |
| Stoyan Nikolov | 1972 Summer, 1976 Summer, 1980 Summer | |
| Valentin Nikolov | Fencing | 1972 Summer | |
| Vladimir Nikolov | Volleyball | 2008 Summer, 2012 Summer | |
| Evelina Nikolova | Wrestling | 2020 Summer | |
| Mariya Nikolova | Swimming | 1968 Summer | |
| Stiliana Nikolova | Rhythmic gymnastics | 2024 Summer | |
| Jana Nikolovska | North Macedonia | Alpine skiing | 1998 Winter | |
| Atanas Nikolovski | Canoe slalom | 2008 Summer | |
| Čedo Nikolovski | Yugoslavia | Wrestling | 1988 Summer | |
| Mikhail Nikolsky [ Wikidata ] | Russia | Athletics | 1912 Summer | |
| Kathrin Nikolussi | Australia | Alpine skiing | 2002 Winter | |
| Margarita Nikolyan | Armenia | Cross country skiing | 2002 Winter | |
| Boris Nikonorov | Soviet Union | Boxing | 1960 Summer | |
| Valery Nikonorov | Russia | Wrestling | 2000 Summer | |
| Valentina Nikonova | Soviet Union | Fencing | 1976 Summer | |
| Yevgeniya Nikonova | Russia | Basketball | 1996 Summer, 2000 Summer | |
| Galin Nikov | Bulgaria | Athletics | 1992 Summer | |
| Rohullah Nikpai | Afghanistan | Taekwondo | 2008 Summer, 2012 Summer | |
| Benedikt Nikpalj | Croatia | Bobsleigh | 2018 Winter | |
| Tapani Niku | Finland | Cross country skiing | 1924 Winter | |
| Pentti Nikula | Athletics | 1964 Summer | |
| Arto Nikulainen | Rowing | 1960 Summer | |
| Irina Nikulchina | Bulgaria | Cross country skiing, Biathlon | 1994 Winter, 1998 Winter, 2002 Winter, 2006 Winter | |
| Igor Nikulin | Unified Team | Athletics | 1992 Summer | |
| Ilya Nikulin | Russia | Ice hockey | 2010 Winter, 2014 Winter | |
| Sergei Nikulin | Soviet Union | Football | 1980 Summer | |
| Yuriy Nikulin | Athletics | 1960 Summer, 1964 Summer | |
| Ina Nikulina | Belarus | Rowing | 2016 Summer, 2020 Summer | |
| Niilo Nikunen | Finland | Nordic combined | 1936 Winter | |
| Patrick Nilan | Australia | Field hockey | 1964 Summer, 1968 Summer, 1972 Summer | |
| Alexandru Nilca | Romania | Fencing | 1976 Summer, 1980 Summer | |
| Nathaniel Niles | United States | Figure skating | 1920 Summer, 1924 Winter, 1928 Winter | |
| Ali Nilforoshan | Iran | Equestrian jumping | 2000 Summer | |
| Jim Nill | Canada | Ice hockey | 1980 Winter | |
| Maik Nill | West Germany | Weightlifting | 1988 Summer | |
| Stefan Nillessen | Netherlands | Athletics | 2024 Summer | |
| Boonlert Nilpirom | Thailand | Football | 1968 Summer | |
| Narong Nilploy | Athletics | 2000 Summer | |
| Adolf Nilsen | Norway | Rowing | 1920 Summer | |
| Birger Nilsen | United States | Artistic gymnastics | 1904 Summer | |
| Birger Nilsen | Norway | Wrestling | 1928 Summer | |
| Bjørn Nilsen | Athletics | 1956 Summer | |
| Chris Nilsen | United States | 2020 Summer, 2024 Summer | |
| Einar Nilsen | Norway | Boxing | 1920 Summer | |
| Elin Nilsen | Cross country skiing | 1992 Winter, 1994 Winter, 1998 Winter | |
| Erling Nilsen | Boxing | 1936 Summer | |
| Harald Nilsen | Canoe sprint | 1976 Summer | |
| Henry Nilsen | Speed skating | 1984 Winter | |
| Jeanette Nilsen | Handball | 2000 Summer | |
| Kristoffer Nilsen | Boxing | 1924 Summer | |
| Laila Schou Nilsen | Alpine skiing | 1936 Winter, 1948 Winter | |
| Nils Nilsen | Ice hockey | 1980 Winter | |
| Olav Nielsen | Boxing | 1928 Summer | |
| Per Arne Nilsen | Sailing | 1984 Summer, 1988 Summer, 1992 Summer | |
| Ronny Nilsen | Athletics | 2004 Summer | |
| Rune Nilsen | 1952 Summer | |
| Simen Spieler Nilsen | Speed skating | 2014 Winter, 2018 Winter | |
| Svein Erik Nilsen | Rowing | 1972 Summer | |
| Thor Nilsen | 1952 Summer | |
| Tore Falch Nilsen | Ice hockey | 1980 Winter | |
| Therese Nilshagen | Sweden | Equestrian dressage | 2020 Summer, 2024 Summer | |
| Oddvar Wenner Nilssen | Norway | Shooting | 1952 Summer | |
| Emilia Nilsson Garip | Sweden | Diving | 2024 Summer | |
| Åke Nilsson | Alpine skiing | 1948 Winter, 1952 Winter, 1956 Winter | |
| Åke Nilsson | Canoe sprint | 1960 Summer | |
| Åke Nilsson | Athletics | 1968 Summer | |
| Andreas Nilsson | Handball | 2012 Summer, 2016 Summer | |
| Annelie Nilsson | Football | 1996 Summer | |
| Arto Nilsson | Finland | Boxing | 1968 Summer | |
| August Nilsson | Sweden | Athletics, Tug of war | 1900 Summer | |
| Axel-Herman Nilsson | Nordic combined, Ski jumping | 1924 Winter, 1928 Winter | |
| Bengt Nilsson | Athletics | 1956 Summer | |
| Bengt Nilsson | Rowing | 1984 Summer | |
| Bernt Nilsson | Swimming | 1960 Summer | |
| Börje Nilsson | Shooting | 1968 Summer | |
| Camilla Nilsson | Alpine skiing | 1988 Winter | |
| Carin Nilsson | Swimming | 1920 Summer | |
| Carl Nilsson | Athletics | 1912 Summer | |
| Carl Nilsson | Wrestling | 1924 Summer | |
| Chris Nilsson | New Zealand | Rowing | 1972 Summer | |
| Dagmar Nilsson | Sweden | Diving | 1912 Summer | |
| Dave Nilsson | Australia | Baseball | 2000 Summer, 2004 Summer | |
| Einar Nilsson | Sweden | Athletics | 1912 Summer, 1920 Summer | |
| Eric Nilsson | 1952 Summer | |
| Erik Nilsson | Football | 1948 Summer, 1952 Summer | |
| Ernst Nilsson | Wrestling | 1912 Summer, 1920 Summer, 1924 Summer | |
| Evert Nilsson | Athletics | 1920 Summer, 1924 Summer | |
| Folke Nilsson | Road cycling | 1932 Summer | |
| Gunnar Nilsson [ Wikidata ] | Athletics | 1912 Summer | |
| Gunnar Nilsson | Boxing | 1948 Summer | |
| Gustaf Nilsson | Wrestling | 1920 Summer | |
| Hans Nilsson | Canoe sprint | 1968 Summer, 1972 Summer | |
| Henrik Nilsson | 1996 Summer, 2000 Summer, 2004 Summer, 2012 Summer | |
| Henrik Nilsson | Rowing | 1996 Summer | |
| Ingeborg Nilsson | Norway | Figure skating | 1952 Winter | |
| Ivar Nilsson | Sweden | Speed skating | 1960 Winter, 1964 Winter | |
| Jan Nilsson | Luge | 1968 Winter | |
| Joakim Nilsson | Football | 1988 Summer | |
| Joakim Nilsson | 2016 Summer | |
| Johan Nilsson | Wrestling | 1912 Summer | |
| Jonas Nilsson | Alpine skiing | 1984 Winter, 1988 Winter, 1992 Winter | |
| Jonny Nilsson | Speed skating | 1964 Winter, 1968 Winter | |
| Karl-Erik Nilsson | Wrestling | 1948 Summer, 1952 Summer, 1956 Summer | |
| Karl-Gustaf Nilsson | Tug of war | 1908 Summer | |
| Kjell Nilsson | Road cycling | 1984 Summer | |
| Kjell-Åke Nilsson | Athletics | 1960 Summer, 1964 Summer | |
| Klaus-Göran Nilsson [ Wikidata ] | Weightlifting | 1984 Summer | |
| Lars Nilsson [ Wikidata ] | Volleyball | 1988 Summer | |
| Lars-Göran Nilsson | Ice hockey | 1968 Winter, 1972 Winter | |
| Leif Nilsson | Weightlifting | 1976 Summer, 1980 Summer | |
| Lina Nilsson | Football | 2012 Summer | |
| Lukas Nilsson | Handball | 2016 Summer | |
| Maja Nilsson | Athletics | 2020 Summer | |
| Malin Nilsson | Swimming | 1992 Summer, 1996 Summer | |
| Manne Nilsson [ Wikidata ] | Athletics | 1912 Summer | |
| Mattias Nilsson | Biathlon | 2006 Winter, 2010 Winter | |
| May Nilsson | Alpine skiing | 1948 Winter | |
| Nils Nilsson | Wrestling | 1924 Summer | |
| Nils Nilsson | Ice hockey | 1956 Winter, 1960 Winter, 1964 Winter | |
| Oscar Nilsson | Equestrian vaulting | 1920 Summer | |
| Oskar Nilsson | 1920 Summer | |
| Otto Nilsson | Athletics | 1908 Summer, 1912 Summer | |
| Ove Nilsson | Rowing | 1952 Summer | |
| Per Nilsson | Artistic gymnastics | 1912 Summer | |
| Rickard Nilsson | Weightlifting | 1988 Summer, 1992 Summer | |
| Roland Nilsson | Athletics | 1984 Summer | |
| Roland Nilsson | Football | 1988 Summer | |
| Roland Nilsson | Athletics | 1948 Summer, 1952 Summer | |
| Ronny Nilsson | Judo | 1980 Summer | |
| Stefan Nilsson | Shooting | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Stina Nilsson | Cross country skiing | 2014 Winter, 2018 Winter | |
| Suzanne Nilsson | Swimming | 1988 Summer | |
| Sven-Åke Nilsson | Road cycling | 1972 Summer, 1976 Summer | |
| Thomas Nilsson | Athletics | 1956 Summer | |
| Tor Nilsson | Wrestling | 1948 Summer | |
| Ulf Nilsson | Sailing | 1972 Summer | |
| Hussam Nima | Iraq | Football | 1984 Summer | |
| Issam Nima | Algeria | Athletics | 2012 Summer | |
| Nikola Nimac | Croatia | Skeleton | 2006 Winter | |
| Baboo Nimal | India | Field hockey | 1936 Summer | |
| Stefan Nimke | Germany | Track cycling | 2000 Summer, 2004 Summer, 2008 Summer | |
| Louise Nimmo | United States | Art competitions | 1932 Summer | |
| Myra Nimmo | Great Britain | Athletics | 1976 Summer | |
| Meir Nimni | Israel | Football | 1976 Summer | |
| Željko Nimš | Yugoslavia | Handball | 1976 Summer | |
| Yves Nimubona | Rwanda | Athletics | 2024 Summer | |
| Wilhelmus van Nimwegen | Netherlands | Weightlifting | 1920 Summer | |
| Audrys Nin Reyes | Dominican Republic | Artistic gymnastics | 2024 Summer | |
| Enia Ninčević | Croatia | Sailing | 2012 Summer | |
| Ivan Ninčević | Handball | 2012 Summer | |
| Chadd Ning | Eswatini | Swimming | 2024 Summer | |
| Ning Lijia | China | Shooting | 1996 Summer, 2000 Summer | |
| Ma Ning | Field hockey | 2024 Summer | |
| Ning Menghua | Canoe sprint | 1992 Summer, 1996 Summer | |
| Ning Qin | Freestyle skiing | 2014 Winter | |
| Ning Xiankui | Fencing | 1992 Summer | |
| Ning Zetao | Swimming | 2016 Summer | |
| Ning Zhongyan | Speed skating | 2022 Winter | |
| Franz Ningel | Germany | Figure skating | 1956 Winter, 1960 Winter | |
| Roger Ninham | Australia | Rowing | 1960 Summer, 1964 Summer | |
| Mladen Ninić | Yugoslavia | 1972 Summer | |
| Jozef Ninis | Slovakia | Luge | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Ivana Ninković | Bosnia and Herzegovina | Swimming | 2012 Summer | |
| Nino | Brazil | Football | 2020 Summer | |
| Libardo Niño | Colombia | Road cycling | 1992 Summer | |
| Luis Niño | Mexico | Diving | 1964 Summer, 1968 Summer | |
| Yoshio Ninomine | Japan | Biathlon | 1964 Winter | |
| Hideo Ninomiya | Swimming | 1956 Summer | |
| Kazuhiro Ninomiya | Judo | 1976 Summer | |
| Makoto Ninomiya | Tennis | 2020 Summer | |
| Mariano Ninonuevo | Philippines | Shooting | 1964 Summer | |
| Cindy Ninos | Greece | Skeleton | 2002 Winter | |
| Eirini Ninou | Water polo | 2024 Summer | |
| Orlin Ninov | Bulgaria | Rowing | 1996 Summer | |
| Viktor Ninov | Athletics | 2012 Summer | |
| Ljudmila Ninova | Austria | 1992 Summer, 1996 Summer | |
| Violeta Ninova | Bulgaria | Rowing | 1988 Summer, 1992 Summer | |
| Lukman Niode | Indonesia | Swimming | 1984 Summer | |
| Corinne Niogret | France | Biathlon | 1992 Winter, 1994 Winter, 1998 Winter, 2002 Winter | |
| Laurent Niol | Freestyle skiing | 2002 Winter | |
| Gnonsiane Niombla | Handball | 2016 Summer | |
| Daniel Nion | Equestrian eventing | 1984 Summer | |
| Paul Nioze | Seychelles | Athletics | 1992 Summer, 1996 Summer | |
| Daniel Nipkow | Switzerland | Shooting | 1984 Summer | |
| Didier Niquet | France | Canoe sprint | 1972 Summer | |
| Itzhak Nir | Israel | Sailing | 1972 Summer | |
| Shlomit Nir | Swimming | 1968 Summer, 1972 Summer | |
| Ange Ciella Niragira [ Wikidata ] | Burundi | Judo | 2024 Summer | |
| Tapio Nirkko | Finland | Sailing | 2008 Summer, 2012 Summer, 2016 Summer | |
| Ann-Margret Nirling | Sweden | Diving | 1936 Summer | |
| Karam Nirlou | Iran | Football | 1964 Summer | |
| Omer Nir'on | Israel | 2024 Summer | |
| Jakob Nirschl | Germany | Bobsleigh | 1956 Winter | |
| Rangsiya Nisaisom | Thailand | Taekwondo | 2012 Summer | |
| Darko Nišavić | Yugoslavia | Wrestling | 1976 Summer, 1980 Summer | |
| Robert Nisbet | Great Britain | Rowing | 1928 Summer | |
| Thomas Nisbet | Bahamas | Sailing | 1984 Summer | |
| Troy Nisbett [ Wikidata ] | Saint Kitts and Nevis | Swimming | 2024 Summer | |
| Andreas Nischwitz | West Germany | Figure skating | 1980 Winter | |
| Arisa Nishi | Japan | Rugby sevens | 2024 Summer | |
| Masafumi Nishi | Baseball | 1992 Summer | |
| Natsuki Nishi | Canoe sprint | 1996 Summer | |
| Nobuyuki Nishi | Freestyle skiing | 2010 Winter, 2014 Winter, 2018 Winter | |
| Takanobu Nishi | Archery | 1976 Summer | |
| Takeichi Nishi | Equestrian jumping, Equestrian eventing | 1932 Summer, 1936 Summer | |
| Teiichi Nishi | Athletics | 1932 Summer | |
| Junko Nishida | 1936 Summer | |
| Katsuo Nishida | 1952 Summer | |
| Reo Nishida | Diving | 2020 Summer | |
| Shogo Nishida | Fencing | 2008 Summer | |
| Shuhei Nishida | Athletics | 1932 Summer, 1936 Summer | |
| Takashi Nishida | Snowboarding | 1998 Winter | |
| Yuji Nishida | Volleyball | 2020 Summer, 2024 Summer | |
| Yoshino Nishide | Diving | 1976 Summer | |
| Taro Nishidono | Rowing | 1932 Summer | |
| Yoshimi Nishigawa | Swimming | 1968 Summer, 1972 Summer, 1976 Summer | |
| Shigeki Nishiguchi | Wrestling | 1988 Summer, 1992 Summer | |
| Jinya Nishikata | Ski jumping | 1994 Winter | |
| Daisuke Nishikawa | Artistic gymnastics | 1988 Summer, 1992 Summer | |
| Emily Nishikawa | Canada | Cross country skiing | 2014 Winter, 2018 Winter | |
| Kiyokazu Nishikawa | Japan | Archery | 1992 Summer | |
| Shūsaku Nishikawa | Football | 2008 Summer | |
| Emi Nishikori | Field hockey | 2016 Summer, 2020 Summer | |
| Kei Nishikori | Tennis | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Kenkichi Nishimi | Wrestling | 1996 Summer | |
| Kenta Nishimoto | Badminton | 2024 Summer | |
| Tetsuo Nishimoto | Volleyball | 1972 Summer, 1976 Summer | |
| Yoshimitsu Nishimoto | Weightlifting | 1992 Summer, 1996 Summer | |
| Aori Nishimura | Skateboarding | 2020 Summer | |
| Ayaka Nishimura | Field hockey | 2016 Summer | |
| Ken Nishimura | Karate | 2020 Summer | |
| Motoki Nishimura | Judo | 1972 Summer | |
| Shozo Nishimura | Field hockey | 1968 Summer | |
| Towa Nishimura [ Wikidata ] | Water polo | 2024 Summer | |
| Kae Nishina | Football | 1996 Summer | |
| Yasumasa Nishino | Swimming | 1952 Summer | |
| Ryūya Nishio | Football | 2024 Summer | |
| Risa Nishioka | 3x3 basketball | 2020 Summer | |
| Ryusei Nishioka | Trampolining | 2024 Summer | |
| Shiho Nishioka | Fencing | 2012 Summer, 2016 Summer | |
| Tsuyoshi Nishioka | Baseball | 2008 Summer | |
| Yoshie Nishioka | Swimming | 1988 Summer | |
| Yoshihito Nishioka | Tennis | 2020 Summer | |
| Noriyuki Nishitani | Shooting | 2000 Summer | |
| Takafumi Nishitani | Short track speed skating | 1998 Winter, 2002 Winter, 2006 Winter | |
| Hiroyuki Nishiuchi | Triathlon | 2000 Summer, 2004 Summer | |
| Momiji Nishiya | Skateboarding | 2020 Summer | |
| Kazutaka Nishiyama | Baseball | 1992 Summer | |
| Kiyoshi Nishiyama | Handball | 1984 Summer, 1988 Summer | |
| Masashi Nishiyama | Judo | 2012 Summer | |
| Rei Nishiyama | Softball | 2008 Summer | |
| Nedim Nišić | Bosnia and Herzegovina | Swimming | 2008 Summer | |
| Maureen Nisima | France | Fencing | 2004 Summer | |
| Annalisa Nisiro | Italy | Swimming | 1988 Summer | |
| Algoth Niska | Finland | Football | 1912 Summer | |
| Janne Niskala | Ice hockey | 2010 Winter | |
| Hugo Niskanen | Athletics | 1952 Summer | |
| Iivo Niskanen | Cross country skiing | 2014 Winter, 2018 Winter, 2022 Winter | |
| Kerttu Niskanen | 2014 Winter, 2018 Winter, 2022 Winter | |
| Tanja Niskanen | Ice hockey | 2018 Winter, 2022 Winter | |
| Borghild Niskin | Norway | Alpine skiing | 1948 Winter, 1952 Winter, 1956 Winter | |
| Dov Nisman | Israel | Swimming | 1976 Summer | |
| Fernand Nisot | Belgium | Football | 1920 Summer | |
| Mirko Nišović | Yugoslavia | Canoe sprint | 1980 Summer, 1984 Summer, 1988 Summer | |
| Henry Nissen | Denmark | Weightlifting | 1928 Summer | |
| Hilde Nissen | Athletics | 1948 Summer | |
| Kyle Nissen | Canada | Freestyle skiing | 2006 Winter, 2010 Winter | |
| Regina Nissen | West Germany | Swimming | 1976 Summer | |
| Håkon Nissen-Lie | Norway | Sailing | 1988 Summer | |
| Mauno Nissinen | Finland | Artistic gymnastics | 1968 Summer, 1972 Summer | |
| Grete Nissl | Austria | Alpine skiing | 1936 Winter | |
| Tomás Nistal | Spain | Road cycling | 1972 Summer | |
| Constantin Nistor | Romania | Ice hockey | 1980 Winter | |
| Mihai Nistor | Boxing | 2016 Summer | |
| Steliana Nistor | Artistic gymnastics | 2008 Summer | |
| Vasile Nistor | Boxing | 1992 Summer | |
| Massimo Nistri | Italy | Swimming | 1972 Summer | |
| Maila Nisula | Finland | Artistic gymnastics | 1952 Summer | |
| Fumitaka Nitami | Japan | Boxing | 1996 Summer | |
| Traian Nițescu | Romania | Bobsleigh | 1928 Winter | |
| Lev Nikitin | Soviet Union | Canoe sprint | 1952 Summer | |
| Franz Nitsche | Austria | Rowing | 1972 Summer | |
| Carola Nitschke | East Germany | Swimming | 1976 Summer | |
| Wolfgang Nitschke | Wrestling | 1972 Summer | |
| Ikkei Nitta [ Wikidata ] | Japan | Water polo | 2024 Summer | |
| Katsuhisa Nitta | Weightlifting | 1992 Summer | |
| Sandra Nitta | United States | Swimming | 1964 Summer | |
| Yudai Nitta | Japan | Track cycling | 2012 Summer, 2020 Summer | |
| Franz Nitterl | Austria | Weightlifting | 1928 Summer | |
| Antonio Nitto | Italy | Speed skating | 1960 Winter | |
| Ilie Nițu | Romania | Shooting | 1960 Summer | |
| Nicolae Nițu | Weightlifting | 1992 Summer | |
| Leonard Nitz | United States | Track cycling | 1976 Summer, 1984 Summer, 1988 Summer | |
| Monte Nitzkowski | Swimming | 1952 Summer | |
| Elfriede von Nitzsch | Germany | Athletics | 1952 Summer | |
| Rolf Nitzsche | Track cycling | 1956 Summer | |
| Ulrich Nitzschke | Boxing | 1956 Summer | |
| Niu Guannan | China | Water polo | 2016 Summer, 2020 Summer | |
| Niu Jianfeng | Table tennis | 2004 Summer | |
| Niu Zhiyuan | Shooting | 2000 Summer | |
| Folau Niua | United States | Rugby sevens | 2016 Summer, 2020 Summer | |
| Taunu'u Niulevaea | Samoa | 2024 Summer | |
| Roger Nivelt | France | Art competitions | 1932 Summer | |
| Jacques Nivière [ Wikidata ] | Shooting | 1900 Summer | |
| Roger Nivière [ Wikidata ] | 1900 Summer | |
| Akemi Niwa | Japan | Curling | 1998 Winter | |
| Kiyoshi Niwa | Athletics | 1968 Summer | |
| Koki Niwa | Table tennis | 2012 Summer, 2016 Summer, 2020 Summer | |
| Kiyomi Niwata | Triathlon | 2000 Summer, 2004 Summer, 2008 Summer | |
| Charles Nix | Great Britain | Shooting | 1908 Summer | |
| Jayson Nix | United States | Baseball | 2008 Summer | |
| Sunder Nix | Athletics | 1984 Summer | |
| Amy Nixon | Canada | Curling | 2006 Winter | |
| Paul Nixon | United States | Road cycling | 1936 Summer | |
| Ernest Nixson | Great Britain | Wrestling | 1908 Summer | |
| Kaori Niyanagi | Japan | Weightlifting | 2000 Summer | |
| Daulet Niyazbekov | Kazakhstan | Wrestling | 2012 Summer, 2020 Summer | |
| Adilbek Niyazymbetov | Boxing | 2012 Summer, 2016 Summer | |
| Bulat Niyazymbetov | 1996 Summer | |
| Jackson Niyomugabo | Rwanda | Swimming | 2008 Summer, 2012 Summer | |
| Francine Niyomukunzi | Burundi | Athletics | 2024 Summer | |
| Vénuste Niyongabo | 1996 Summer, 2000 Summer | |
| Francine Niyonizigiye | 2004 Summer, 2008 Summer | |
| Abraham Niyonkuru | 2016 Summer | |
| Francine Niyonsaba | 2012 Summer, 2016 Summer, 2020 Summer | |
| Laurence Niyonsaba | Rwanda | 1992 Summer | |
| Adrien Niyonshuti | Cycling mountain bike, Road cycling | 2012 Summer, 2016 Summer | |
| Adriano Niz | Portugal | Swimming | 2004 Summer | |
| Yamila Nizetich | Argentina | Volleyball | 2016 Summer, 2020 Summer | |
| Ana Nizharadze [ Wikidata ] | Georgia | Swimming | 2024 Summer | |
| Denis Nizhegorodov | Russia | Athletics | 2004 Summer, 2008 Summer | |
| Richard Nizielski | Australia | Short track speed skating | 1992 Winter, 1994 Winter, 1998 Winter | |
| Aloÿs Nizigama | Burundi | Athletics | 1996 Summer, 2000 Summer | |
| Aleksandrs Ņiživijs | Latvia | Ice hockey | 2002 Winter, 2006 Winter, 2010 Winter | |
| Peter Nižný | Slovakia | Water polo | 2000 Summer | |
| Enrico Nizzi | Italy | Cross country skiing | 2014 Winter | |
| Garibaldo Nizzola | Wrestling | 1948 Summer, 1952 Summer, 1956 Summer, 1960 Summer | |
| Marcello Nizzola | 1932 Summer, 1936 Summer | |
| Ida Njåtun | Norway | Speed skating | 2014 Winter, 2018 Winter | |
| Chirine Njeim | Lebanon | Alpine skiing, Athletics | 2002 Winter, 2006 Winter, 2010 Winter, 2016 Summer | |
| Sigurd Njerve | Norway | Athletics | 1996 Summer | |
| Adama Njie | The Gambia | 1996 Summer, 2000 Summer, 2004 Summer | |
| Faye Njie | Judo | 2016 Summer, 2020 Summer, 2024 Summer | |
| Momodou Bello N'Jie | Athletics | 1988 Summer, 1992 Summer | |
| Nina Kamto Njitam | France | Handball | 2008 Summer, 2012 Summer | |
| David Njitock | Cameroon | Athletics | 1964 Summer | |
| Rhoda Njobvu | Zambia | 2020 Summer | |
| Nnenna Njoku | Nigeria | 1972 Summer | |
| Grunde Njøs | Norway | Speed skating | 1994 Winter, 1998 Winter, 2002 Winter | |
| Leonidas Njunwa | Tanzania | Boxing | 1980 Summer | |
| Elijah Nkala | Zimbabwe | Athletics | 1988 Summer | |
| Obed Nkambadio | France | Football | 2024 Summer | |
| Christian Nkamgang | Cameroon | Judo | 1984 Summer | |
| Carvin Nkanata | Kenya | Athletics | 2016 Summer | |
| Maurice Nkandem | Cameroon | Judo | 1980 Summer | |
| Delphine Nkansa | Belgium | Athletics | 2024 Summer | |
| Emmanuel Kwesi Nkansah | Ghana | Football | 1964 Summer | |
| Eric Nkansah | Athletics | 1996 Summer, 2004 Summer | |
| Louis Nkanza | Republic of the Congo | 1972 Summer, 1980 Summer | |
| Tumo Nkape | Botswana | 2024 Summer | |
| Charles Nkazamyampi | Burundi | 1996 Summer | |
| Gus Nketia | New Zealand | 1996 Summer | |
| Emanuel Thabiso Nketu | Lesotho | Boxing | 2008 Summer | |
| Namakoe Nkhasi | Athletics | 2016 Summer | |
| Abel Nkhoma | Zimbabwe | 1980 Summer | |
| Bradley Nkoana | South Africa | 2024 Summer | |
| Onkabetse Nkobolo | Botswana | 2016 Summer | |
| Lebenya Nkoka | Lesotho | 2016 Summer | |
| Georgette Nkoma | Cameroon | 1992 Summer, 1996 Summer | |
| Simon N'Kondag | Wrestling | 1984 Summer | |
| Harry Nkopeka | Malawi | Athletics | 1972 Summer | |
| David Nkoua | Republic of the Congo | 1992 Summer | |
| Joëlle Mbumi Nkouindjin | Cameroon | 2016 Summer | |
| Lasnet Nkouka | Republic of the Congo | 1988 Summer | |
| Nicolas Nkoulou | Cameroon | Football | 2008 Summer | |
| Jean-Jacques Nkouloukidi | Italy | Athletics | 2008 Summer | |
| Antoine Nkounkou | Republic of the Congo | 1972 Summer | |
| Niels Nkounkou | France | Football | 2020 Summer | |
| Théophile Nkounkou | Republic of the Congo | Athletics | 1972 Summer, 1980 Summer, 1984 Summer | |
| Kwame Nkrumah-Acheampong | Ghana | Alpine skiing | 2010 Winter | |
| Mercy Nku | Nigeria | Athletics | 2000 Summer, 2004 Summer | |
| Onèsphore Nkunzimana | Qatar | 2004 Summer, 2008 Summer | |
| Emmanuel Nkurunziza [ Wikidata ] | Rwanda | Road cycling | 1992 Summer | |
| Théodore Nkwayed | Cameroon | Weightlifting | 1988 Summer | |
| Perpetua Nkwocha | Nigeria | Football | 2000 Summer, 2004 Summer, 2008 Summer | |
| Thomas N'Ma | Liberia | Athletics | 1972 Summer | |
| Chiamaka Nnadozie | Nigeria | Football | 2024 Summer | |
| Ogonna Nnamani | United States | Volleyball | 2004 Summer, 2008 Summer | |
| No Hye-sun | South Korea | Athletics | 1988 Summer | |
| No Jin-su | Volleyball | 1984 Summer, 1992 Summer | |
| No Yeom-ju | Road cycling | 1988 Summer | |
| No Yeong-mi | Field hockey | 1992 Summer | |
| No Yeong-sik | Track cycling | 1996 Summer | |
| Tavevele Noa [ Wikidata ] | Tuvalu | Athletics | 2012 Summer | |
| Angelika Noack | East Germany | Rowing | 1976 Summer, 1980 Summer | |
| Axel Noack | East Germany, Germany | Athletics | 1988 Summer, 1992 Summer, 1996 Summer | |
| Lothar Noack | East Germany | Swimming | 1972 Summer | |
| Marianne Noack | Artistic gymnastics | 1968 Summer | |
| Rüdiger Noack | Ice hockey | 1968 Winter | |
| Ulrich Noack | 1968 Winter | |
| Ute Noack | Germany | Swimming | 1964 Summer | |
| Ute Noack | East Germany | Cross country skiing | 1984 Winter | |
| John Noah | United States | Ice hockey | 1952 Winter | |
| Adrien de Noailles, 8th Duke of Noailles | France | Equestrian driving | 1900 Summer | |
| Hiroyuki Noake | Japan | Speed skating | 1998 Winter, 2002 Winter | |
| Beryl Noakes | Great Britain | Swimming | 1960 Summer | |
| Kim Noakes | New Zealand | Field hockey | 2008 Summer | |
| Stanisław Noakowski | Poland | Art competitions | 1928 Summer | |
| Giuseppe Noal | Italy | Rowing | 1972 Summer | |
| Patricia Noall | Canada | Swimming | 1988 Summer | |
| Ronnie Noan | Papua New Guinea | Boxing | 1992 Summer | |
| Jon Bortey Noawy | Ghana | Football | 1968 Summer | |
| Misaki Nobata | Japan | Shooting | 2024 Summer | |
| Kaitlin Nobbs | Australia | Field hockey | 2020 Summer, 2024 Summer | |
| Michael Nobbs | 1984 Summer | |
| Percy Erskine Nobbs | Canada | Fencing | 1908 Summer | |
| Jeremy Nobis | United States | Alpine skiing | 1994 Winter | |
| Shannon Nobis | 1994 Winter | |
| Alan Noble | Great Britain | Field hockey | 1908 Summer | |
| Alfred Noble | Football | 1952 Summer | |
| Andrew Noble | Alpine skiing | 2010 Winter | |
| Cheryl Noble | Canada | Curling | 2002 Winter | |
| Cindy Noble | United States | Basketball | 1984 Summer | |
| Gavin Noble | Ireland | Triathlon | 2012 Summer | |
| Kathleen Grace Noble | Uganda | Rowing | 2020 Summer, 2024 Summer | |
| Mark Noble | Great Britain | Track cycling | 1984 Summer | |
| Rohinton Noble | India | 1948 Summer | |
| Tetsuro Noborisaka | Japan | Basketball | 1956 Summer | |
| Delival Nobre | Brazil | Shooting | 1976 Summer, 1984 Summer, 1988 Summer | |
| Ana Sofia Nóbrega | Angola | Swimming | 2016 Summer | |
| Olivia Nobs | Switzerland | Snowboarding | 2006 Winter, 2010 Winter | |
| Oscar Nobua | Argentina | Weightlifting | 1968 Summer | |
| Méline Nocandy | France | Handball | 2020 Summer, 2024 Summer | |
| Ernesto Nocco | Italy | Athletics | 1984 Summer | |
| Gwladys Nocera | France | Golf | 2016 Summer | |
| Antonio Nocerino | Italy | Football | 2008 Summer | |
| Anderson Nocetti | Brazil | Rowing | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Melanie Nocher | Ireland | Swimming | 2008 Summer, 2012 Summer | |
| Andrés Nocioni | Argentina | Basketball | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Peter Nocke | West Germany | Swimming | 1976 Summer | |
| Bruno Nöckler | Italy | Alpine skiing | 1980 Winter | |
| Dietmar Nöckler | Cross country skiing | 2014 Winter, 2018 Winter | |
| Akemi Noda | Japan | Football | 1996 Summer | |
| Kazuo Noda | Swimming | 1924 Summer, 1928 Summer | |
| Kiyoshi Noda | Handball | 1972 Summer | |
| Kōsuke Noda | Baseball | 2000 Summer | |
| Satsuki Noda | Archery | 2024 Summer | |
| Teppei Noda | Freestyle skiing | 2002 Winter | |
| Yoshiro Noda | Swimming | 1956 Summer | |
| Jesper Nøddesbo | Denmark | Handball | 2008 Summer, 2016 Summer | |
| Andreas Nödl | Austria | Ice hockey | 2014 Winter | |
| Jean Noé [ Wikidata ] | Belgium | Art competitions | 1928 Summer | |
| Marcel Noebels | Germany | Ice hockey | 2018 Winter, 2022 Winter | |
| Edith Noeding | Peru | Athletics | 1972 Summer, 1976 Summer | |
| André Noël | France | Shooting | 1968 Summer, 1972 Summer | |
| Camille Noel | Canada | Athletics | 1992 Summer | |
| Christian Noël | France | Fencing | 1964 Summer, 1968 Summer, 1972 Summer, 1976 Summer | |
| Clément Noël | Alpine skiing | 2018 Winter, 2022 Winter | |
| Edwin Noel | Trinidad and Tobago | Athletics | 1980 Summer | |
| Evan Noel | Great Britain | Jeu de paume, Racquets | 1908 Summer | |
| Fabien Noël | France | Swimming | 1976 Summer, 1980 Summer | |
| Gérard Noël | Belgium | Athletics | 1928 Summer | |
| Jacques Noël | France | Fencing | 1952 Summer | |
| John Noel | United States | Shooting | 1924 Summer | |
| John Baptist Lucius Noel | Great Britain | Alpinism | 1924 Winter | |
| Jules Noël | France | Athletics | 1928 Summer, 1932 Summer, 1936 Summer | |
| Lou Noel | Rugby sevens | 2024 Summer | |
| Maria Noel | Virgin Islands | Athletics | 1996 Summer | |
| Peter Noel | Australia | Field hockey | 1988 Summer | |
| Raekwon Jibril Noel [ Wikidata ] | Guyana | Swimming | 2024 Summer | |
| Xavier Noël | France | Boxing | 2004 Summer | |
| Philip Noel-Baker | Great Britain | Athletics | 1912 Summer, 1920 Summer | |
| Nastasia Noens | France | Alpine skiing | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Hélène Noesmoen | Sailing | 2024 Summer | |
| Nikolay Noev | Tajikistan | Wrestling | 2012 Summer | |
| Mohamed Nofel | Egypt | Rowing | 2012 Summer | |
| Yuki Nofuji | Japan | Snowboarding | 2010 Winter | |
| Artur Noga | Poland | Athletics | 2008 Summer, 2012 Summer | |
| Artur Nogal | Speed skating | 2014 Winter, 2018 Winter | |
| Beatriz Nogalez | Spain | Rhythmic gymnastics | 2000 Summer | |
| Keiko Nogami | Japan | Sailing | 1988 Summer | |
| Osamu Nogami [ Wikidata ] | Baseball | 2000 Summer | |
| Alberto Nogar | Philippines | Weightlifting | 1960 Summer | |
| August Nogara | United States | Road cycling | 1920 Summer | |
| Avognan Nogboun | Ivory Coast | Athletics | 1976 Summer, 1984 Summer | |
| Jovana Nogić | Serbia | Basketball | 2024 Summer | |
| Ermanno Nogler | Italy | Alpine skiing | 1952 Winter | |
| Hans Nogler | Austria | 1948 Winter | |
| Lotte Nogler | Italy | 1968 Winter | |
| Sophie Nogler | Austria | 1948 Winter | |
| Nikolay Nogovitsyn | Soviet Union | Nordic combined | 1976 Winter | |
| Bence Nogradi [ Wikidata ] | Hungary | Short track speed skating | 2022 Winter | |
| Ferenc Nógrádi | Football | 1964 Summer | |
| Akiyo Noguchi | Japan | Sport climbing | 2020 Summer | |
| Gensabulo Noguchi | Athletics | 1920 Summer | |
| Mizuki Noguchi | 2004 Summer | |
| Yasuhiro Noguchi | Volleyball | 1972 Summer | |
| Yoshihiro Noguchi | Rugby sevens | 2024 Summer | |
| António Reymão Nogueira | Portugal | Equestrian dressage | 1952 Summer, 1960 Summer | |
| Débora Nogueira | Fencing | 2008 Summer | |
| Isabel Nogueira | Mexico | Volleyball | 1968 Summer | |
| Juan Nogueira | Brazil | Boxing | 2016 Summer | |
| Ney Nogueira | Water polo | 1964 Summer | |
| Pâmela Nogueira | Artistic swimming | 2016 Summer | |
| Miguel Noguer | Spain | Sailing | 1980 Summer, 1984 Summer, 1988 Summer | |
| Luis Noguera | Venezuela | Taekwondo | 2004 Summer | |
| Joaquín Nogueras | Spain | Equestrian eventing | 1948 Summer, 1952 Summer, 1956 Summer | |
| Antonio Nogués | Field hockey | 1968 Summer, 1972 Summer | |
| Shiwe Nogwanya | South Africa | Football | 2016 Summer | |
| Noh Hyun-suk | South Korea | Handball | 1988 Summer | |
| Noh Jung-yoon | Football | 1992 Summer | |
| Noh Kyung-sun | Wrestling | 1988 Summer | |
| Noh Seon-yeong | Speed skating | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Noh Soo-jin | Football | 1988 Summer | |
| Matthias Noichl | Austria | Cross country skiing | 1948 Winter, 1952 Winter | |
| Kriangkrai Noikoed | Thailand | Taekwondo | 2004 Summer | |
| Monique Noirot | France | Athletics | 1968 Summer | |
| Józef Noji | Poland | 1936 Summer | |
| Masahiro Nojima | Japan | Baseball | 1996 Summer | |
| Malcolm Nokes | Great Britain | Athletics | 1924 Summer, 1928 Summer | |
| Ugo Di Nola [ Wikidata ] | Italy | Fencing | 1912 Summer | |
| Adam Nolan | Ireland | Boxing | 2012 Summer | |
| Errol Nolan | Jamaica | Athletics | 2012 Summer | |
| James Nolan | Ireland | 2000 Summer, 2004 Summer | |
| Owen Nolan | Canada | Ice hockey | 2002 Winter | |
| Sean Nolan | United States | Water polo | 2000 Summer | |
| Claudio Nolano | Italy | Taekwondo | 2000 Summer | |
| John Nolasco | Dominican Republic | Boxing | 1996 Summer | |
| Julio Nolasco | Argentina | Shooting | 1948 Summer | |
| Pedro Nolasco | Dominican Republic | Boxing | 1984 Summer | |
| Jürgen Nöldner | Germany | Football | 1964 Summer | |
| Alan Nolet | Canada | Artistic gymnastics | 1988 Summer, 1992 Summer, 1996 Summer | |
| Gilberto Noletti | Italy | Football | 1960 Summer | |
| Helmut Noll | Germany | Rowing | 1952 Summer | |
| Otto Noll | Austria | Football | 1912 Summer | |
| Maike Nollen | Germany | Canoe sprint | 2004 Summer | |
| Helmut Noller | 1952 Summer | |
| Leo Nolles | Uruguay | Swimming | 2024 Summer | |
| Lauriane Nolot | France | Sailing | 2024 Summer | |
| Carla Nolpa | West Germany | Archery | 1972 Summer | |
| Jan-Olof Nolsjö [ Wikidata ] | Sweden | Weightlifting | 1976 Summer | |
| Erline Nolte | Germany | Bobsleigh | 2018 Winter | |
| Harry Nolte | East Germany | Canoe sprint | 1980 Summer | |
| Hatto Nolte | West Germany | Volleyball | 1972 Summer | |
| Jürgen Nolte | West Germany, Germany | Fencing | 1984 Summer, 1988 Summer, 1992 Summer | |
| Laura Nolte | Germany | Bobsleigh | 2022 Winter | |
| Lisa Nolte | Field hockey | 2024 Summer | |
| Johannes Nolten Sr. | Netherlands | Wrestling | 1920 Summer | |
| Johannes Nolten Jr. | 1928 Summer | |
| Katja Nolten | West Germany | Table tennis | 1988 Summer | |
| David Nolting | Argentina | Rowing | 1924 Summer | |
| Teodoro Nölting | 1948 Summer | |
| Damiella Nomenjanahary | Madagascar | Judo | 2020 Summer | |
| Martti Nõmme | Estonia | Ski jumping | 2018 Winter | |
| Haru Nomura | Japan | Golf | 2016 Summer | |
| Kana Nomura | Field hockey | 2020 Summer | |
| Masahiko Nomura | Rowing | 1988 Summer | |
| Tadahiro Nomura | Judo | 1996 Summer, 2000 Summer, 2004 Summer | |
| Tomohiro Nomura | Athletics | 1996 Summer | |
| Toyokazu Nomura | Judo | 1972 Summer | |
| Siyabonga Nomvethe | South Africa | Football | 2000 Summer | |
| Hideo Nonaka | Japan | Shooting | 1988 Summer | |
| Mariany Nonaka | Brazil | Table tennis | 2004 Summer, 2008 Summer | |
| Miho Nonaka | Japan | Sport climbing | 2020 Summer, 2024 Summer | |
| Franco Nones | Italy | Cross country skiing | 1964 Winter, 1968 Winter, 1972 Winter | |
| Nong Qunhua | China | Badminton | 1992 Summer | |
| Dimitrij Nonin | Germany | Artistic gymnastics | 2000 Summer | |
| Douglas Nonis | Malaysia | Field hockey | 1964 Summer | |
| Frane Nonković | Yugoslavia | Water polo | 1964 Summer | |
| Helmut Nonn | Germany | Field hockey | 1956 Summer, 1960 Summer | |
| Wolfgang Nonn | 1956 Summer | |
| John Nonna | United States | Fencing | 1972 Summer | |
| Nonô | Brazil | Football | 1960 Summer | |
| Allen Nono | Gabon | 2012 Summer | |
| George Nonomura | United States | Fencing | 1988 Summer | |
| Takashi Nonomura | Japan | Wrestling | 1992 Summer, 1996 Summer | |
| Koji Nonoshita | Swimming | 1956 Summer | |
| Chanpeng Nontasin | Thailand | Road cycling | 2008 Summer | |
| Chalermpol Noohlong | Athletics | 2000 Summer | |
| Teun de Nooijer | Netherlands | Field hockey | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Erki Nool | Estonia | Athletics | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| David Noon [ Wikidata ] | Great Britain | Track cycling | 1908 Summer | |
| Daniel Noonan | Australia | Rowing | 2008 Summer, 2012 Summer | |
| Noor Azhar Hamid | Singapore | Athletics | 1972 Summer | |
| Sha Mahmood Noor Zahi | Afghanistan | 2020 Summer, 2024 Summer | |
| Akram Al-Noor | Yemen | Taekwondo | 2004 Summer | |
| Emad Noor | Saudi Arabia | Athletics | 2012 Summer | |
| Emily Noor | Netherlands | Table tennis | 1996 Summer | |
| Lon bin Mohamed Noor | Singapore | Weightlifting | 1952 Summer | |
| Muhammad Noor | India | Football | 1956 Summer | |
| Nour Ullah Noor | Afghanistan | Wrestling | 1964 Summer | |
| Eric Noordegraaf | Netherlands | Water polo | 1980 Summer, 1984 Summer | |
| Els van Noorduyn | Athletics | 1968 Summer | |
| Henk Nooren | Equestrian jumping | 1976 Summer | |
| Ed de Noorlander | Athletics | 1968 Summer | |
| Voldemar Noormägi | Estonia | Weightlifting | 1924 Summer | |
| Aat van Noort | Netherlands | Athletics | 1928 Summer | |
| Ae-Ri Noort | Rowing | 2016 Summer | |
| Peter van der Noort | 2000 Summer | |
| Roald van Noort | Water polo | 1984 Summer | |
| Preecha Nopparat | Thailand | Boxing | 1972 Summer | |
| Alessandro Nora | Italy | Water polo | 2016 Summer | |
| José Nora | Spain | Basketball | 1960 Summer | |
| Erick Norales | Honduras | Football | 2008 Summer | |
| Noraseela Mohd Khalid | Malaysia | Athletics | 2012 Summer | |
| Thor Haug Nørbech | Norway | Luge | 2014 Winter | |
| Anette Norberg | Sweden | Curling | 2006 Winter, 2010 Winter | |
| Bertil Norberg | Ice hockey | 1936 Winter | |
| Carl Martin Norberg | Artistic gymnastics | 1908 Summer | |
| Erik Norberg | 1908 Summer | |
| Lennart Norberg | Ice hockey | 1980 Winter | |
| Märta Norberg | Cross country skiing | 1952 Winter | |
| Martin Norberg | Water polo | 1924 Summer | |
| Sverre Norberg | Norway | Rowing | 1976 Summer | |
| Tor Norberg | Sweden | Artistic gymnastics | 1908 Summer | |
| Ulf Norberg | Ski jumping | 1968 Winter | |
| Elie Norbert | Madagascar | Judo | 2008 Summer | |
| Ana María Norbis | Uruguay | Swimming | 1968 Summer | |
| Mindaugas Norbutas | Lithuania | Athletics | 2004 Summer | |
| Henrik Norby | Norway | Modern pentathlon | 1912 Summer | |
| Khusayin Norchaev | Uzbekistan | Football | 2024 Summer | |
| Bogdan Norčič | Yugoslavia | Ski jumping | 1976 Winter, 1980 Winter | |
| Arthur Nord | Norway | Wrestling | 1924 Summer, 1928 Summer | |
| Kathleen Nord | East Germany | Swimming | 1988 Summer | |
| Ole Tom Nord | Norway | Ski jumping | 1960 Winter | |
| Bertil Nordahl | Sweden | Football | 1948 Summer | |
| Gunnar Nordahl | 1948 Summer | |
| Gustaf Nordahl | Art competitions | 1948 Summer | |
| Knut Nordahl | Football | 1948 Summer | |
| Narve Gilje Nordås | Norway | Athletics | 2020 Summer, 2024 Summer | |
| Frans Nordberg | Finland | Canoe sprint | 1936 Summer | |
| Olle Nordberg | Sweden | Art competitions | 1936 Summer | |
| Georg Nordblad | Finland | Shooting | 1924 Summer | |
| Inger Nordbø | Norway | Diving | 1936 Summer, 1948 Summer | |
| Jonathan Nordbotten | Alpine skiing | 2018 Winter | |
| Bente Nordby | Football | 1996 Summer, 2000 Summer | |
| Dordi Nordby | Curling | 1998 Winter, 2002 Winter, 2006 Winter | |
| Siri Nordby | Football | 2008 Summer | |
| Peter Nordell | United States | Rowing | 1988 Summer | |
| Gustaf Nordén | Sweden | Athletics | 1912 Summer | |
| Harald Norden | Germany | Speed skating | 1960 Winter | |
| Lisa Nordén | Sweden | Triathlon | 2008 Summer, 2012 Summer, 2016 Summer | |
| Margaretha van Norden | Netherlands | Swimming | 1928 Summer | |
| Bertil Nordenskjöld | Sweden | Football | 1920 Summer | |
| Sara Nordenstam | Norway | Swimming | 2008 Summer, 2012 Summer | |
| Martin Nordenström | Sweden | Fencing | 1912 Summer | |
| Arthur Nordenswan | Shooting | 1912 Summer | |
| Leif Nordgren | United States | Biathlon | 2014 Winter, 2018 Winter, 2022 Winter | |
| Rolf Nordgren | Sweden | Ski jumping | 1972 Winter | |
| Thomas Nordgren | Basketball | 1980 Summer | |
| Christine Nordhagen | Canada | Wrestling | 2004 Summer | |
| Lars Petter Nordhaug | Norway | Road cycling | 2008 Summer, 2012 Summer, 2016 Summer | |
| Helena Nordheim | Netherlands | Artistic gymnastics | 1928 Summer | |
| Knut Nordholm | Sweden | Fencing | 1936 Summer | |
| Alice Nordin | Art competitions | 1932 Summer | |
| Emma Nordin | Ice hockey | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Håkan Nordin | 1984 Winter | |
| Hans Nordin | Ski jumping | 1952 Winter | |
| Henry Nordin | Fencing | 1952 Summer | |
| Hjördis Nordin | Artistic gymnastics | 1952 Summer | |
| Tomas Nordin | Curling | 1998 Winter, 2002 Winter, 2006 Winter | |
| Tito Nordio | Italy | Sailing | 1928 Summer | |
| Ivar Nordkild | Norway | Biathlon | 1972 Winter | |
| Axel Nordlander | Sweden | Equestrian eventing | 1912 Summer | |
| Bert-Ola Nordlander | Ice hockey | 1960 Winter, 1964 Winter, 1968 Winter, 1972 Winter | |
| Mats Nordlander | Archery | 1988 Summer | |
| Josefin Nordlöw | Canoe sprint | 2012 Summer | |
| Ingar Nordlund | Norway | Speed skating | 1952 Winter | |
| Sture Nordlund | Sweden | Shooting | 1948 Summer | |
| Tina Nordlund | Football | 2000 Summer | |
| Jostein Nordmoe | Canada | Nordic combined | 1932 Winter | |
| Doug Nordquist | United States | Athletics | 1984 Summer | |
| Anna Nordqvist | Sweden | Golf | 2016 Summer, 2020 Summer | |
| Jens Nordqvist | Canoe sprint | 1980 Summer | |
| Jussi Nordqvist | Finland | Shooting | 1960 Summer | |
| Owe Nordqvist | Sweden | Track cycling | 1952 Summer | |
| Henrik Nordström | Athletics | 1912 Summer | |
| Joakim Nordström | Ice hockey | 2022 Winter | |
| Rikard Nordstrøm | Denmark | Artistic gymnastics | 1912 Summer | |
| Roger Nordström | Sweden | Ice hockey | 1992 Winter | |
| Hans Nordvik | Norway | Shooting | 1912 Summer, 1920 Summer | |
| Bengt Nordwall | Sweden | Swimming | 1960 Summer, 1964 Summer | |
| Lars Nordwall | Road cycling | 1952 Summer, 1956 Summer | |
| Wolfgang Nordwig | East Germany | Athletics | 1968 Summer, 1972 Summer | |
| Deborah Nordyke | United States | Biathlon | 1998 Winter | |
| Maxim Noreau | Canada | Ice hockey | 2018 Winter, 2022 Winter | |
| Håkan Norebrink | Sweden | Modern pentathlon | 1992 Summer | |
| Benkt Norelius | Artistic gymnastics | 1912 Summer | |
| Kristine Norelius | United States | Rowing | 1984 Summer | |
| Mark Norelius | 1976 Summer | |
| Martha Norelius | Swimming | 1924 Summer, 1928 Summer | |
| Michael Norell | Sweden | Weightlifting | 1984 Summer | |
| Alex Norén | Golf | 2020 Summer, 2024 Summer | |
| Svea Norén | Figure skating | 1920 Summer | |
| Jacob Norenberg | Norway | Canoe sprint | 2004 Summer | |
| Silje Norendal | Snowboarding | 2014 Winter, 2018 Winter | |
| Helen Norfolk | New Zealand | Swimming | 2000 Summer, 2004 Summer, 2008 Summer | |
| Jill Norfolk | Great Britain | 1964 Summer | |
| Patricia Norford | Australia | Fencing | 1952 Summer | |
| Alexander Nørgaard | Denmark | Swimming | 2020 Summer | |
| Alf Nørgaard | Norway | Artistic gymnastics | 1952 Summer | |
| Ann Grete Nørgaard | Denmark | Handball | 2012 Summer | |
| Robert Norgate | Canada | Art competitions | 1948 Summer | |
| Bill Norgrave | Great Britain | Artistic gymnastics | 1972 Summer | |
| Britta Johansson Norgren | Sweden | Cross country skiing | 2006 Winter, 2010 Winter, 2014 Winter | |
| Adán Noriega | Mexico | Field hockey | 1968 Summer, 1972 Summer | |
| Carlos Noriega | Uruguay | Swimming | 1948 Summer | |
| Carlos Noriega | Bolivia | Judo | 1992 Summer | |
| Javier Noriega | Spain | Swimming | 2004 Summer, 2008 Summer | |
| Manuel Noriega | Mexico | Field hockey | 1972 Summer | |
| Ramón Noriega | Venezuela | Road cycling | 1976 Summer | |
| Sarah Noriega | United States | Volleyball | 2000 Summer | |
| Yunier Noris | Cuba | Handball | 2000 Summer | |
| Daria Noritsina | Russian Olympic Committee | Rugby sevens | 2020 Summer | |
| Martin Nörl | Germany | Snowboarding | 2018 Winter, 2022 Winter | |
| Maurice Norland | France | Athletics | 1924 Summer | |
| Oskar Nørland | Denmark | Football | 1908 Summer, 1912 Summer | |
| Henrik Norlander | Sweden | Golf | 2020 Summer | |
| Anders Norling | Swimming | 1976 Summer | |
| Axel Norling | Artistic gymnastics | 1908 Summer, 1912 Summer | |
| Daniel Norling | Artistic gymnastics, Equestrian jumping | 1908 Summer, 1912 Summer, 1920 Summer | |
| Katrin Norling | Equestrian eventing | 2008 Summer | |
| Lars-Olof Norling | Boxing | 1960 Summer | |
| Julie Norman Leth | Denmark | Track cycling | 2020 Summer, 2024 Summer | |
| Daniel Norman | Canada | Canoe slalom | 1992 Summer | |
| David Norman | Football | 1984 Summer | |
| Dianne Norman | Basketball | 1996 Summer, 2000 Summer | |
| George Norman | Great Britain | Modern pentathlon | 1956 Summer | |
| Jeff Norman | Athletics | 1976 Summer | |
| John Norman | Track cycling | 1908 Summer | |
| John Norman | Sweden | Ice hockey | 2018 Winter | |
| Larry Norman | Canada | Canoe slalom | 1992 Summer, 1996 Summer | |
| Magnus Norman | Sweden | Tennis | 2000 Summer | |
| Michael Norman | United States | Athletics | 2020 Summer, 2024 Summer | |
| Peter Norman | Australia | 1968 Summer | |
| Phil Norman | Great Britain | 2020 Summer | |
| Roger Norman | Sweden | 1952 Summer | |
| Roy Norman | Australia | 1924 Summer | |
| Zoltan Norman | Romania | Water polo | 1952 Summer | |
| Isla Norman-Bell | Great Britain | Rugby sevens | 2024 Summer | |
| Kirstin Normand | Canada | Artistic swimming | 2000 Summer | |
| Luis Normandín | Argentina | Water polo | 1952 Summer | |
| Aagot Norman | Norway | Swimming | 1912 Summer | |
| Jeppe Normann | Fencing | 1972 Summer, 1976 Summer, 1984 Summer | |
| Oleg Normatov | Uzbekistan | Athletics | 2008 Summer | |
| Jon Normile | United States | Fencing | 1992 Summer | |
| Dorjiin Norolkhoo | Mongolia | Artistic gymnastics | 1968 Summer | |
| Carlos Noroña | Cuba | Athletics | 1976 Summer | |
| Mário de Noronha | Portugal | Fencing | 1924 Summer, 1928 Summer | |
| Paulo Noronha | Mozambique | Athletics | 1988 Summer | |
| Devohn Noronha-Teixeira | Canada | Field hockey | 2016 Summer | |
| Afshin Norouzi | Iran | Table tennis | 2008 Summer | |
| Omid Norouzi | Wrestling | 2012 Summer, 2016 Summer | |
| Zeinab Norouzi [ Wikidata ] | Rowing | 2024 Summer | |
| Pouria Norouzian | Shooting | 2016 Summer | |
| Harald Norpoth | Germany, West Germany | Athletics | 1964 Summer, 1968 Summer, 1972 Summer | |
| Arne Norrback | Sweden | Weightlifting | 1976 Summer | |
| Allan Nørregaard | Denmark | Sailing | 2012 Summer, 2016 Summer | |
| Ingvard Nørregaard | Canoe sprint | 1952 Summer | |
| Fredrik Norrena | Finland | Ice hockey | 2006 Winter | |
| Arndt Norrgård | Sailing | 1972 Summer | |
| Arthur Norris | Great Britain | Tennis | 1900 Summer | |
| Bert Norris | Athletics | 1936 Summer | |
| Dave Norris | New Zealand | 1960 Summer | |
| David Norris | Australia | Diving | 1948 Summer | |
| Dwayne Norris | Canada | Ice hockey | 1994 Winter | |
| Edgar Norris | Rowing | 1928 Summer | |
| Forbes Norris | United States | Swimming | 1948 Summer | |
| Frederick Norris | Great Britain | Athletics | 1952 Summer, 1956 Summer | |
| James Norris | United States | Water polo | 1952 Summer | |
| Justin Norris | Australia | Swimming | 2000 Summer, 2004 Summer | |
| Ken Norris | Great Britain | Athletics | 1956 Summer | |
| Rex Norris | India | Field hockey | 1928 Summer | |
| Richard Norris | Great Britain | 1952 Summer | |
| Robert Norris | Basketball | 1948 Summer | |
| Ron Norris | India | Boxing | 1952 Summer | |
| Alison Norrish | Great Britain | Rowing | 1988 Summer | |
| Lloyd Norris-Jones | South Africa | Field hockey | 2012 Summer | |
| Sirkka Norrlund | Finland | Athletics | 1964 Summer | |
| Ulf Norrman | Sweden | Sailing | 1968 Summer | |
| Henry Norrström | Athletics | 1952 Summer | |
| Emma Norsgaard | Denmark | Road cycling | 2020 Summer, 2024 Summer | |
| Atle Norstad | Norway | Bobsleigh | 1992 Winter | |
| Mattias Nørstebø | Ice hockey | 2018 Winter | |
| Svein Enok Nørstebø | 1994 Winter | |
| Carissa Norsten | Canada | Rugby sevens | 2024 Summer | |
| Mattias Norström | Sweden | Ice hockey | 1998 Winter, 2002 Winter | |
| Alfred North | Great Britain | Water polo | 1936 Summer | |
| Jade North | Australia | Football | 2004 Summer, 2008 Summer | |
| Lowell North | United States | Sailing | 1964 Summer, 1968 Summer | |
| Bill Northam | Australia | 1964 Summer | |
| Walter James, 4th Baron Northbourne | Great Britain | Rowing | 1920 Summer | |
| Thomas Northcote | Shooting | 1924 Summer | |
| David Carnegie, 11th Earl of Northesk | Skeleton | 1928 Winter | |
| Zara Northover | Jamaica | Athletics | 2008 Summer | |
| Margaret Northrop | Kenya | Swimming | 1956 Summer | |
| Ben Northrup | United States | Wrestling | 1960 Summer | |
| Petter Northug | Norway | Cross country skiing | 2010 Winter, 2014 Winter | |
| Doug Northway | United States | Swimming | 1972 Summer, 1976 Summer | |
| Antonie Nortje | South Africa | Athletics | 2024 Summer | |
| Quewin Nortje | Rugby sevens | 2024 Summer | |
| Ruth Nortje | Canoe sprint | 1996 Summer, 2000 Summer | |
| Anthony Norton | Great Britain | Bobsleigh | 1976 Winter | |
| Bayes Norton | United States | Athletics | 1924 Summer | |
| Brian Norton | South Africa | Tennis | 1920 Summer | |
| Dan Norton | Great Britain | Rugby sevens | 2016 Summer, 2020 Summer | |
| Denise Norton | Australia | Swimming | 1952 Summer | |
| Edward F. Norton | Great Britain | Alpinism | 1924 Winter | |
| Emerson Norton | United States | Athletics | 1924 Summer | |
| Gordon Norton | Canada | Sailing | 1960 Summer | |
| Jeff Norton | United States | Ice hockey | 1988 Winter | |
| John Norton | Athletics | 1920 Summer | |
| John Norton | Water polo | 1924 Summer | |
| Pat Norton | Australia | Swimming | 1936 Summer | |
| Ray Norton | United States | Athletics | 1960 Summer | |
| Stephanie Norton | Hong Kong | Sailing | 2020 Summer | |
| Piet Norval | South Africa | Tennis | 1992 Summer | |
| Edgar Norwerth | Poland | Art competitions | 1928 Summer, 1932 Summer | |
| Darryl Norwood | Australia | Boxing | 1964 Summer | |
| Elise Norwood | Water polo | 2004 Summer | |
| Vernon Norwood | United States | Athletics | 2020 Summer, 2024 Summer | |
| Dmitry Nos | Unified Team | Rowing | 1992 Summer | |
| Eugenia Nosach | Argentina | Volleyball | 2020 Summer | |
| Nabil Nosair | United Arab Republic, Egypt | Football | 1960 Summer, 1964 Summer | |
| Hiroshi Nosaka | Japan | Artistic gymnastics | 1936 Summer | |
| Guy Nosbaum | France | Rowing | 1952 Summer, 1960 Summer | |
| Kazuo Nose | Japan | 1928 Summer | |
| Seiki Nose | Judo | 1984 Summer | |
| Jwani Riad Noseir | Egypt | Basketball | 1936 Summer | |
| Kamal Riad Noseir | 1936 Summer | |
| Jakub Nosek | Czech Republic | Bobsleigh | 2018 Winter, 2022 Winter | |
| Fred Noseworthy | Canada | Athletics | 1908 Summer | |
| Abdou Noshi | United Arab Republic | Football | 1960 Summer | |
| Sakura Noshitani | Japan | Rhythmic gymnastics | 2016 Summer, 2020 Summer | |
| Kazeem Nosiru | Nigeria | Table tennis | 2000 Summer, 2004 Summer, 2008 Summer | |
| Anja Noske | Germany | Rowing | 2012 Summer | |
| Wiesława Noskiewicz | Poland | Artistic gymnastics | 1936 Summer | |
| Ernő Noskó | Hungary | Football | 1968 Summer | |
| Linda Nosková | Czech Republic | Tennis | 2024 Summer | |
| Luiza Noskova | Russia | Biathlon | 1994 Winter | |
| Petra Nosková | Czechoslovakia | 1992 Winter | |
| Tereza Nosková | Czech Republic | Luge | 2018 Winter | |
| Yana Noskova | Russia, Russian Olympic Committee | Table tennis | 2012 Summer, 2020 Summer | |
| Vitaly Nosov | Unified Team | Basketball | 1992 Summer | |
| Yevgeny Nosov | Belarus | Rowing | 2008 Summer | |
| El-Sayed Nosseir | Egypt | Weightlifting | 1928 Summer | |
| Heiko Nossek | Germany | Water polo | 2004 Summer, 2008 Summer | |
| Ingulf Nossek | West Germany | 1972 Summer | |
| Léon Nossent | Belgium | Equestrian eventing | 1924 Summer | |
| Erwin Nossig | Austria | Field hockey | 1928 Summer | |
| Anthony Nossiter | Australia | Sailing | 2000 Summer, 2004 Summer, 2008 Summer | |
| Yanda Nossiter | Canoe sprint | 1996 Summer, 2000 Summer | |
| Aleksandr Nossov | Soviet Union | Nordic combined | 1972 Winter | |
| Dmitri Nossov | Russia | Judo | 2004 Summer | |
| Gert Nöster | Austria | Athletics | 1972 Summer | |
| Giuliano Nostini | Italy | Fencing | 1948 Summer | |
| Renzo Nostini | 1948 Summer, 1952 Summer | |
| Tonje Nøstvold | Norway | Handball | 2008 Summer, 2012 Summer | |
| Sándor Noszály | Hungary | Athletics | 1960 Summer | |
| Sándor Noszály | Tennis | 1992 Summer, 1996 Summer | |
| Fabrice Notari | Monaco | Alpine skiing | 1988 Winter | |
| Sotirios Notaris | Greece | Fencing | 1912 Summer | |
| Sotirios Notaris | Wrestling | 1920 Summer | |
| Keith Notary | United States | Sailing | 1992 Summer | |
| Francis Notenboom | Belgium | Archery | 1988 Summer | |
| Marty Nothstein | United States | Track cycling | 1996 Summer, 2000 Summer, 2004 Summer | |
| Alan Notley | Great Britain | Biathlon | 1964 Winter, 1968 Winter, 1972 Winter | |
| Charles Notley | Fencing | 1908 Summer, 1920 Summer, 1924 Summer, 1928 Summer | |
| Tokushige Noto | Japan | Athletics | 1924 Summer | |
| Tsuneo Noto | Alpine skiing | 1964 Winter, 1968 Winter | |
| Toshiyuki Notomi | Weightlifting | 1996 Summer | |
| Andrea Nott | United States | Artistic swimming | 2008 Summer | |
| Bernard Nottage | Bahamas | Athletics | 1968 Summer | |
| Sean Nottage | Swimming | 1984 Summer | |
| Louisa Nott-Bower | Great Britain | Archery | 1908 Summer | |
| Fritz Nottbrock | Germany | Athletics | 1932 Summer, 1936 Summer | |
| Helma Notte | 1928 Summer, 1932 Summer | |
| Peter Nottet | Netherlands | Speed skating | 1964 Winter, 1968 Winter | |
| Dieter Notz | West Germany | Cross country skiing | 1980 Winter | |
| Florian Notz | Germany | 2022 Winter | |
| Jedrij Notz | Azerbaijan | Alpine skiing | 2010 Winter | |
| Arnold Nötzli | Switzerland | Track cycling | 1924 Summer | |
| Marcel Noual | France | Swimming | 1932 Summer | |
| Ali Nouisri | Tunisia | Road cycling | 2016 Summer | |
| Nadia Noujani | Morocco | Athletics | 2012 Summer | |
| Mélonin Noumonvi | France | Wrestling | 2004 Summer, 2008 Summer, 2012 Summer | |
| Dania Nour | Palestine | Swimming | 2020 Summer | |
| Sharif Nour | Egypt | 1984 Summer | |
| Nasser Nouraei | Iran | Football | 1976 Summer | |
| Arnaud Nordin | France | 2020 Summer | |
| Hossein Nouri | Iran | Wrestling | 1956 Summer | |
| Anoushiravan Nourian | Iran, Australia | Boxing | 1992 Summer, 2004 Summer | |
| Gholam Hossein Nourian | Iran | Football | 1964 Summer | |
| Françoise Nourry | France | Artistic gymnastics | 1968 Summer | |
| Babak Nourzad | Iran | Wrestling | 2004 Summer | |
| Eetu Nousiainen | Finland | Ski jumping | 2018 Winter | |
| Mona-Liisa Nousiainen | Cross country skiing | 2014 Winter | |
| Ville Nousiainen | 2006 Winter, 2010 Winter, 2014 Winter | |
| Abdelatif Noussir | Morocco | Football | 2012 Summer | |
| Sarah Noutcha | France | Fencing | 2024 Summer | |
| Aniek Nouwen | Netherlands | Football | 2020 Summer | |
| Petrus Johannes Nouwens [ Wikidata ] | Archery | 1900 Summer | |
| Jiří Nouza | Czechoslovakia | Road cycling, Track cycling | 1956 Summer | |
| Félix Nova [ Wikidata ] | Dominican Republic | Baseball | 1992 Summer | |
| Tereza Nová [ Wikidata ] | Czech Republic | Alpine skiing | 2022 Winter | |
| Alexandru Novac | Romania | Athletics | 2020 Summer, 2024 Summer | |
| Gruia Novac | Water polo | 1964 Summer, 1972 Summer | |
| Iosif Novac | Swimming | 1952 Summer | |
| Roman Nováček | Czech Republic | Judo | 1996 Summer | |
| Borislav Novachkov | Bulgaria | Wrestling | 2016 Summer | |
| Dezső Novák | Hungary | Football | 1960 Summer, 1964 Summer, 1968 Summer | |
| Domen Novak | Slovenia | Road cycling | 2024 Summer | |
| Domen Novak | Handball | 2024 Summer | |
| Eduard Novák | Czechoslovakia | Ice hockey | 1972 Winter, 1976 Winter | |
| Emil Novák | Czech Republic | Snowboarding | 2014 Winter | |
| Ferenc Novák | Hungary | Canoe sprint | 2000 Summer | |
| Gábor Novák | 1952 Summer | |
| Grigory Novak | Soviet Union | Weightlifting | 1952 Summer | |
| Ilona Novák | Hungary | Swimming | 1948 Summer, 1952 Summer | |
| Jan Novák | Czechoslovakia | Football | 1924 Summer | |
| Jan Novák | Handball | 1988 Summer | |
| Jiří Novák | Ice hockey | 1976 Winter, 1980 Winter | |
| Jiří Novák | Czech Republic | Tennis | 1996 Summer, 2000 Summer, 2004 Summer | |
| Josef Novák | Czechoslovakia | Football | 1924 Summer | |
| Michal Novák | Czech Republic | Cross country skiing | 2018 Winter, 2022 Winter | |
| Otto Novák | Czechoslovakia | Football | 1924 Summer | |
| Petr Novák | Czech Republic | Cross country skiing | 2014 Winter | |
| Radim Novák | Shooting | 2000 Summer | |
| Rudolph Novak | United States | Artistic gymnastics | 1924 Summer | |
| Vladimír Novák | Czechoslovakia | Cross country skiing | 1928 Winter, 1932 Winter, 1936 Winter | |
| Vladimír Novák | Judo | 1976 Summer | |
| Éva Novák-Gerard | Hungary, Belgium | Swimming | 1948 Summer, 1952 Summer, 1956 Summer | |
| Boncho Novakov | Bulgaria | Track cycling | 1960 Summer | |
| Barbora Nováková [ Wikidata ] | Czech Republic | Alpine skiing | 2022 Winter | |
| Ivana Nováková | Czechoslovakia | Basketball | 1988 Summer | |
| Libuše Nováková | Athletics | 1952 Summer | |
| Petra Nováková | Czech Republic | Cross country skiing | 2014 Winter, 2018 Winter, 2022 Winter | |
| Šárka Nováková | Czechoslovakia | Athletics | 1992 Summer | |
| Soňa Nováková | Czech Republic | Beach volleyball | 2000 Summer, 2004 Summer | |
| Marko Novaković | Serbia | Canoe sprint | 2012 Summer, 2016 Summer, 2024 Summer | |
| Milica Novaković | 2016 Summer, 2020 Summer, 2024 Summer | |
| Žana Novaković | Bosnia and Herzegovina | Alpine skiing | 2010 Winter, 2014 Winter | |
| Zoran Novaković | Shooting | 2000 Summer | |
| Yuliya Novakovich | Belarus | Weightlifting | 2008 Summer | |
| László Novakovszky | Hungary | Basketball | 1948 Summer | |
| Tariku Novales | Spain | Athletics | 2024 Summer | |
| Patrick Novaretti | Monaco | Swimming | 1976 Summer | |
| Marco Novaro | Italy | Sailing | 1960 Summer | |
| Teodoro Novas [ Wikidata ] | Dominican Republic | Baseball | 1992 Summer | |
| Mario Novelli | Italy | Basketball | 1936 Summer | |
| Claudia Novelo | Mexico | Artistic swimming | 1984 Summer | |
| Lupita Novelo | Tennis | 1992 Summer | |
| Norbert Növényi | Hungary | Wrestling | 1980 Summer, 1992 Summer | |
| Louis Noverraz | Switzerland | Sailing | 1936 Summer, 1948 Summer, 1952 Summer, 1968 Summer | |
| Vitaly Novichenko | Belarus | Speed skating | 1994 Winter, 1998 Winter | |
| Sreta Novičić | Yugoslavia | Rowing | 1948 Summer | |
| Voldemaras Novickis | Soviet Union | Handball | 1980 Summer, 1988 Summer | |
| Petr Novický | Czechoslovakia | Basketball | 1972 Summer | |
| Maryna Novik | Belarus | Athletics | 2008 Summer, 2012 Summer | |
| Mikalai Novikau | Weightlifting | 2012 Summer | |
| Siarhei Novikau | Judo | 2004 Summer | |
| Nastassia Novikava | Weightlifting | 2004 Summer, 2008 Summer, 2012 Summer | |
| Aleksandr Novikov | Rowing | 2008 Summer | |
| Anatoliy Novikov | Soviet Union | Judo | 1972 Summer | |
| Daniel Novikov | Estonia | Track cycling | 2008 Summer | |
| Helen Novikov | Luge | 1994 Winter, 1998 Winter | |
| Igor Novikov | Soviet Union | Modern pentathlon | 1952 Summer, 1956 Summer, 1960 Summer, 1964 Summer | |
| Nikolay Novikov | Boxing | 1968 Summer | |
| Semen Novikov | Bulgaria | Wrestling | 2024 Summer | |
| Sergey Novikov | Russia | Cross country skiing | 2002 Winter, 2006 Winter, 2010 Winter | |
| Sergey Novikov | Belarus | Biathlon | 2006 Winter, 2010 Winter, 2014 Winter | |
| Serhiy Novikov | Soviet Union | Judo | 1976 Summer, 1980 Summer | |
| Vasily Novikov | Shooting | 1952 Summer | |
| Vladimir Novikov | Water polo | 1960 Summer | |
| Vladimir Novikov | Artistic gymnastics | 1988 Summer | |
| Vladislav Novikov | Russia | Alpine skiing | 2014 Winter | |
| Yevgeny Novikov | Soviet Union | Swimming | 1964 Summer | |
| Olga Novikova | Russia | Luge | 1994 Winter | |
| Svetlana Novikova | Unified Team | Alpine skiing | 1992 Winter | |
| Jo Novita | Indonesia | Badminton | 2004 Summer | |
| Sergei Novitski | Russia | Figure skating | 2006 Winter, 2010 Winter | |
| Nikita Novitskii | Russian Olympic Committee | Freestyle skiing | 2022 Winter | |
| Luís Novo | Portugal | Athletics | 2000 Summer | |
| Eduardo Novoa | Chile | Judo | 1984 Summer | |
| Felipe Novoa | 2008 Summer | |
| José Novoa | Spain | Handball | 1980 Summer, 1984 Summer | |
| Juan Camilo Novoa | Colombia | Boxing | 2004 Summer | |
| Oscar Novoa | Chile | Fencing | 1928 Summer | |
| Olga Novokshchenova | Russia | Artistic swimming | 1996 Summer, 2000 Summer, 2004 Summer | |
| Maria Novolodskaya | Russian Olympic Committee | Track cycling | 2020 Summer | |
| Anastasiya Novosad | Ukraine | Freestyle skiing | 2014 Winter | |
| Sofija Novoselić | Croatia | Alpine skiing | 2010 Winter, 2014 Winter | |
| Aleksei Novoselski | Lithuania | Cross country skiing | 2006 Winter, 2010 Winter | |
| Nikolai Novosjolov | Estonia | Fencing | 2000 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Jana Novotná | Czechoslovakia, Czech Republic | Tennis | 1988 Summer, 1992 Summer, 1996 Summer | |
| Kateřina Novotná | Czech Republic | Short track speed skating | 2002 Winter, 2006 Winter, 2010 Winter, 2014 Winter | |
| Růžena Novotná | Czechoslovakia | Canoe slalom | 1972 Summer | |
| Veronika Novotná | Czech Republic | Modern pentathlon | 2024 Summer | |
| Radka Novotníková [ Wikidata ] | Rowing | 2024 Summer | |
| Ľubica Novotníková-Kurhajcová | Czechoslovakia | 1988 Summer, 1992 Summer | |
| Antonín Novotný | Water polo | 1920 Summer | |
| Eduard Novotný | Bobsleigh | 1948 Winter | |
| Jiří Novotný | Czech Republic | Ice hockey | 2014 Winter | |
| Josef Novotný | Czechoslovakia | Volleyball | 1980 Summer | |
| Michal Novotný | Czech Republic | Snowboarding | 2006 Winter, 2010 Winter | |
| Nora Novotny | Austria | Swimming | 1960 Summer | |
| René Novotný | Czechoslovakia, Czech Republic | Figure skating | 1988 Winter, 1992 Winter, 1994 Winter | |
| Roman Novotný | Czech Republic | Athletics | 2008 Summer, 2012 Summer | |
| Viktor Novozhilov | Soviet Union | Wrestling | 1976 Summer | |
| Iryna Novozhylova | Ukraine | Athletics | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Albin Novšak | Yugoslavia | Ski jumping | 1936 Winter | |
| Helmut Novy | East Germany | Ice hockey | 1968 Winter | |
| Karel Novy | Switzerland | Swimming | 2000 Summer, 2004 Summer, 2008 Summer | |
| Milan Nový | Czechoslovakia | Ice hockey | 1976 Winter, 1980 Winter | |
| Miroslav Nový | 1952 Winter | |
| Richard Nový | Rowing | 1960 Summer, 1964 Summer | |
| Václav Nový | Bohemia | Athletics | 1900 Summer | |
| Oktawia Nowacka | Poland | Modern pentathlon | 2016 Summer | |
| Andrzej Nowaczyk | Rowing | 1964 Summer | |
| Lison Nowaczyk | France | Swimming | 2024 Summer | |
| Michał Nowaczyk [ Wikidata ] | Poland | Snowboarding | 2022 Winter | |
| Andrzej Nowak | Ice hockey | 1984 Winter | |
| Cécile Nowak | France | Judo | 1992 Summer | |
| Dariusz Nowak | Poland | Rowing | 2004 Summer | |
| Elżbieta Nowak | Basketball | 2000 Summer | |
| Eugeniusz Nowak | Boxing | 1924 Summer | |
| Grzegorz Nowak | Rowing | 1980 Summer | |
| Katarzyna Nowak | Tennis | 1992 Summer | |
| Łukasz Nowak | Athletics | 2012 Summer, 2016 Summer | |
| Marcin Nowak | Volleyball | 1996 Summer | |
| Marcin Nowak | Athletics | 2000 Summer, 2008 Summer | |
| Marco Nowak | Germany | Ice hockey | 2022 Winter | |
| Marek Nowak | Poland | Shooting | 1996 Summer | |
| Michel Nowak | France | Judo | 1984 Summer | |
| Mieczysław Nowak | Poland | Weightlifting | 1964 Summer, 1968 Summer, 1972 Summer | |
| Oskar Nowak | Austria | Ice hockey, Field hockey | 1936 Winter, 1948 Summer, 1948 Winter | |
| Teresa Nowak | Poland | Athletics | 1972 Summer | |
| Tomasz Nowak | Boxing | 1988 Summer | |
| Wanda Nowak | Austria | Athletics | 1936 Summer | |
| Zdzisław Nowak | Poland | 1928 Summer | |
| Zdzisław Nowak | Ice hockey | 1956 Winter | |
| Halina Nowak-Guńka | Cross country skiing, Biathlon | 1992 Winter, 1994 Winter, 1998 Winter | |
| Bożena Nowakowska | Athletics | 1976 Summer | |
| Krystyna Nowakowska | 1960 Summer | |
| Weronika Nowakowska | Biathlon | 2010 Winter, 2014 Winter, 2018 Winter | |
| Dariusz Nowakowski | Judo | 1980 Summer | |
| Piotr Nowakowski | Volleyball | 2012 Summer, 2016 Summer, 2020 Summer | |
| Richard Nowakowski | East Germany | Boxing | 1976 Summer, 1980 Summer | |
| Danuta Nowak-Stachow | Poland | Artistic gymnastics | 1956 Summer, 1960 Summer | |
| Sylwia Nowak-Trębacka | Figure skating | 1998 Winter, 2002 Winter | |
| Henryk Nowara | Boxing | 1952 Summer | |
| Józef Nowara | Fencing | 1968 Summer, 1972 Summer, 1976 Summer | |
| Oratile Nowe | Botswana | Athletics | 2024 Summer | |
| Riccardo Nowak | Italy | Fencing | 1908 Summer | |
| Zandra Nowell | Great Britain | Alpine skiing | 1956 Winter | |
| Ylva Nowén | Sweden | 1992 Winter, 1994 Winter, 1998 Winter, 2002 Winter | |
| Joanna Nowicka | Poland | Archery | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Adam Nowicki | Athletics | 2020 Summer | |
| Jarosław Nowicki | Rowing | 1996 Summer | |
| Jerzy Nowicki | Shooting | 1960 Summer, 1964 Summer, 1968 Summer | |
| Mieczysław Nowicki | Track cycling, Road cycling | 1972 Summer, 1976 Summer | |
| Wojciech Nowicki | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Peter Nowill | Australia | 2004 Summer | |
| Dirk Nowitzki | Germany | Basketball | 2008 Summer | |
| Georg Nowka | Sailing | 1952 Summer, 1956 Summer | |
| Danek Nowosielski | Canada | Fencing | 1988 Summer, 1992 Summer, 1996 Summer | |
| Leszek Nowosielski | 1992 Summer | |
| Zenon Nowosz | Poland | Athletics | 1968 Summer, 1972 Summer, 1976 Summer | |
| Robert Nowotny | Austria | Beach volleyball | 2004 Summer | |
| Petra Nows | West Germany | Swimming | 1972 Summer | |
| Ernesto Noya | Argentina | Wrestling | 1948 Summer | |
| André Noyelle | Belgium | Road cycling | 1952 Summer | |
| Albertina Noyes | United States | Figure skating | 1964 Winter, 1968 Winter | |
| Ramaz Nozadze | Georgia | Wrestling | 2004 Summer, 2008 Summer | |
| Chiharu Nozaki | Japan | Speed skating | 1998 Winter | |
| Takahiro Nozaki | 1998 Winter | |
| José Nozari | Mexico | Shooting | 1948 Summer | |
| Keisuke Nozawa | Japan | Athletics | 2016 Summer | |
| Sakiko Nozawa | Artistic gymnastics | 1976 Summer | |
| Elena Nozdran | Ukraine | Badminton | 1996 Summer, 2000 Summer | |
| Mads Nørgaard | Denmark | Curling | 2022 Winter | |
| Fatah Nsaief | Iraq | Football | 1980 Summer | |
| Jonathan Nsenga | Belgium | Athletics | 1996 Summer, 2000 Summer | |
| Oguzoeme Nsenu | Nigeria | 1980 Summer | |
| Joachim Nshimirimana | Burundi | 2004 Summer, 2008 Summer | |
| Alphonse Nshimiyiama | Rwanda | Road cycling | 1992 Summer | |
| Christian Nsiah | Ghana | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Vida Nsiah | 1996 Summer, 2000 Summer | |
| Akonga Nsimbo | Democratic Republic of the Congo | 2000 Summer | |
| Marlyse Nsourou | Gabon | 2004 Summer | |
| Emmanuel Nsubuga | Uganda | Boxing | 1988 Summer | |
| Odette Ntahonvukiye | Burundi | Judo | 2012 Summer | |
| Egide Ntakarutimana | Athletics | 2024 Summer | |
| Alexios Ntanatsidis | Greece | Judo | 2020 Summer | |
| Maria Ntanou | Cross country skiing | 2010 Winter, 2018 Winter, 2022 Winter | |
| Frans Ntaole | Lesotho | Athletics | 1984 Summer | |
| Mathias Ntawulikura | Rwanda | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Abram Nteo | South Africa | Football | 2000 Summer | |
| Dieudonné Ntep | Cameroon | Road cycling | 1984 Summer | |
| Camera Ntereke | Botswana | Athletics | 1992 Summer | |
| Noheku Nteso | Lesotho | 1988 Summer | |
| Issa-Aimé Nthépé | Cameroon, France | 1996 Summer, 2004 Summer | |
| Evangelos Nthoumas [ Wikidata ] | Greece | Swimming | 2024 Summer | |
| Brigitte Ntiamoah | France | Athletics | 2016 Summer, 2020 Summer | |
| Isaac Ntiamoah | Australia | 2012 Summer | |
| Gustav Ntiforo | Ghana | 1960 Summer | |
| Frank Ntilikina | France | Basketball | 2020 Summer, 2024 Summer | |
| Luntu Ntloko | South Africa | Field hockey | 2000 Summer | |
| Barthelémy N'To | Cameroon | Wrestling | 1984 Summer, 1988 Summer | |
| Georgios Ntoskas | Greece | Water polo | 2008 Summer | |
| Anna Ntountounaki | Swimming | 2016 Summer, 2020 Summer, 2024 Summer | |
| Stefanos Ntouskos | Rowing | 2016 Summer, 2020 Summer, 2024 Summer | |
| Wilfried Ntsengue | Cameroon | Boxing | 2016 Summer, 2020 Summer | |
| Phumlani Ntshangase | South Africa | Football | 2016 Summer | |
| Marry Ntsweng | 2012 Summer | |
| Nqobile Ntuli | Field hockey | 2020 Summer, 2024 Summer | |
| Salomo Ntuve | Sweden | Boxing | 2012 Summer | |
| Victor Ntweng | Botswana | Athletics | 2024 Summer | |
| João N'Tyamba | Angola | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Abdulrahman Al-Nubi | Qatar | 2000 Summer, 2004 Summer | |
| Mubarak Al-Nubi | 1996 Summer, 2000 Summer | |
| Georg Nückles | West Germany | 1972 Summer | |
| Werner Nüesch | Switzerland | 1924 Summer, 1928 Summer | |
| Lawrence Nuesslein | United States | Shooting | 1920 Summer | |
| Katherin Nuevo | Cuba | Canoe sprint | 2020 Summer | |
| Priska Nufer | Switzerland | Alpine skiing | 2022 Winter | |
| Anna Van Nuffel [ Wikidata ] | Belgium | Art competitions | 1932 Summer | |
| Ackera Nugent | Jamaica | Athletics | 2024 Summer | |
| Andrea Nugent | Canada | Swimming | 1988 Summer, 1992 Summer | |
| Leah Nugent | Jamaica | Athletics | 2016 Summer, 2020 Summer | |
| Neil Nugent | Great Britain | Field hockey | 1952 Summer | |
| Georgia Nugent-O'Leary | New Zealand | Rowing | 2020 Summer | |
| Anggun Nugroho | Indonesia | Badminton | 2004 Summer | |
| Yared Nuguse | United States | Athletics | 2024 Summer | |
| Kjeld Nuis | Netherlands | Speed skating | 2018 Winter, 2022 Winter | |
| Manaia Nuku | New Zealand | Rugby sevens | 2024 Summer | |
| Kriengsak Nukulsompratana | Thailand | Football | 1968 Summer | |
| Diane Nukuri | Burundi | Athletics | 2000 Summer, 2012 Summer, 2016 Summer | |
| Wiebke Nulle | Germany | Archery | 2004 Summer | |
| Lodovico Nulli | Italy | Shooting | 1936 Summer | |
| Ali Nullmeyer | Canada | Alpine skiing | 2022 Winter | |
| Graham Numa | Papua New Guinea | Sailing | 1988 Summer, 1992 Summer | |
| Mauro Numa | Italy | Fencing | 1984 Summer, 1988 Summer, 1992 Summer | |
| Rose-Lee Numa | Papua New Guinea | Sailing | 2020 Summer | |
| Teariki Numa | 2020 Summer | |
| Joëlle Numainville | Canada | Road cycling | 2012 Summer | |
| Henk Numan | Netherlands | Judo | 1980 Summer | |
| Hirofumi Numata | Japan | Basketball | 1972 Summer, 1976 Summer | |
| Yaichi Numata | Track cycling | 1972 Summer | |
| Christian Nummedal | Norway | Freestyle skiing | 2018 Winter, 2022 Winter | |
| Matti Nummela | Finland | Shooting | 1984 Summer, 1988 Summer, 1992 Summer | |
| Petri Nummela | 2004 Summer | |
| Petteri Nummelin | Ice hockey | 2006 Winter | |
| Timo Nummelin | 1976 Winter | |
| Reinder Nummerdor | Netherlands | Volleyball, Beach volleyball | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Kalevi Numminen | Finland | Ice hockey | 1960 Winter, 1964 Winter | |
| Teppo Numminen | 1988 Winter, 1998 Winter, 2002 Winter, 2006 Winter | |
| Ilkka Nummisto | Canoe sprint | 1964 Summer, 1968 Summer, 1972 Summer, 1976 Summer | |
| Felipe Nunag | Philippines | Boxing | 1936 Summer | |
| Bart van Nunen | Netherlands | Athletics | 2020 Summer | |
| Sam van Nunen [ Wikidata ] | Swimming | 2024 Summer | |
| Agnaldo Nunes | Brazil | Boxing | 1996 Summer, 2000 Summer | |
| Benevenuto Nunes | Swimming | 1932 Summer, 1936 Summer | |
| Débora Nunes | Taekwondo | 2008 Summer | |
| Gabi Nunes | Football | 2024 Summer | |
| Laís Nunes | Wrestling | 2016 Summer, 2020 Summer | |
| Michael Anthony Nunes | Jamaica | Sailing | 1968 Summer, 1972 Summer | |
| Michael Keith Nunes | 1972 Summer | |
| Miguel Nunes | Portugal | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Rochele Nunes | Judo | 2020 Summer, 2024 Summer | |
| Sean Nunes | Jamaica | Sailing | 2000 Summer | |
| Anelia Nuneva | Bulgaria | Athletics | 1988 Summer, 1992 Summer | |
| Alan Núñez | Paraguay | Football | 2024 Summer | |
| Alfredo Núñez | Chile | 1984 Summer | |
| Argenis Casimiro Núñez | Dominican Republic | Boxing | 2008 Summer | |
| Carmen Belén Núñez | Spain | Diving | 1972 Summer, 1976 Summer, 1980 Summer | |
| Daniel Núñez | Cuba | Weightlifting | 1976 Summer, 1980 Summer | |
| Evelyn Núñez | Guatemala | Athletics | 2008 Summer | |
| Francisco Núñez | Argentina | Boxing | 1948 Summer, 1956 Summer | |
| Gustavo Núñez | Dominican Republic | Baseball | 2020 Summer | |
| Hébert Núñez | Uruguay | Basketball | 1984 Summer | |
| Henry Núñez | Costa Rica | Judo | 1988 Summer, 1996 Summer | |
| Imaday Núñez | Cuba | Swimming | 2000 Summer, 2004 Summer | |
| Javier Núñez | Spain | 2008 Summer | |
| Javier Núñez [ Wikidata ] | Dominican Republic | 2024 Summer | |
| Jonathan Núñez | Honduras | Football | 2020 Summer | |
| Jordi Nuñez | Spain | Handball | 1996 Summer, 2000 Summer | |
| Juan Núñez | Dominican Republic | Athletics | 1988 Summer | |
| Marcos Núñez | Chile | Table tennis | 1988 Summer, 1992 Summer | |
| Mario Núñez [ Wikidata ] | Spain | Shooting | 2008 Summer | |
| Miguel Núñez | Dominican Republic | Athletics | 1968 Summer | |
| Omar Núñez | Nicaragua | Swimming | 2008 Summer, 2012 Summer | |
| Rafael Núñez | Dominican Republic | Football | 2024 Summer | |
| Ramón Núñez | Cuba | 1980 Summer | |
| Ramón Núñez | Honduras | 2008 Summer | |
| Roberto Núñez | Argentina | Artistic gymnastics | 1948 Summer | |
| Rodrigo Núñez | Chile | Football | 2000 Summer | |
| Sidarka Núñez | Dominican Republic | Volleyball | 2012 Summer | |
| Teresa Núñez | Peru | 1968 Summer, 1976 Summer | |
| Yeral Nuñez | Dominican Republic | Athletics | 2024 Summer | |
| Julius Nuninger [ Wikidata ] | Germany | Artistic gymnastics | 1900 Summer | |
| Kevin Nunis | Malaysia | Field hockey | 1984 Summer | |
| Anthony Nunn | Great Britain | 1952 Summer | |
| Glynis Nunn | Australia | Athletics | 1984 Summer | |
| John Nunn | United States | Rowing | 1968 Summer | |
| John Nunn | Athletics | 2004 Summer, 2012 Summer, 2016 Summer | |
| Les Nunn | Australia | Water polo | 1964 Summer, 1972 Summer | |
| Laura Nunnink | Netherlands | Field hockey | 2020 Summer, 2024 Summer | |
| Ion Nunweiller | Romania | Football | 1964 Summer | |
| Xu Nuo [ Wikidata ] | China | Fencing | 2024 Summer | |
| Ilpo Nuolikivi | Finland | Nordic combined | 1968 Winter | |
| Aatto Nuora | Shooting | 1936 Summer | |
| Paavo Nuotio | Nordic combined, Ski jumping | 1928 Winter | |
| Abdihamid Nur | United States | Athletics | 2024 Summer | |
| Bekzad Nurdauletov | Kazakhstan | Boxing | 2020 Summer | |
| Dinara Nurdbayeva | Uzbekistan | Figure skating | 1994 Winter | |
| Jorge Nuré | Argentina | Basketball | 1948 Summer | |
| Victor Nurenberg | Luxembourg | Football | 1952 Summer | |
| Kelbet Nurgazina | Kazakhstan | Judo | 2008 Summer | |
| Mahac Nuriddinovun | Azerbaijan | Boxing | 2000 Summer | |
| Norair Nurikyan | Bulgaria | Weightlifting | 1972 Summer, 1976 Summer | |
| Sardor Nurillaev | Uzbekistan | Judo | 2020 Summer, 2024 Summer | |
| Abdul Kadir Nuristani | Afghanistan | Field hockey | 1948 Summer, 1956 Summer | |
| Ahmed Jahan Nuristani | 1948 Summer | |
| Din Mohammad Nuristani [ Wikidata ] | 1948 Summer, 1956 Summer | |
| Jahan Gulam Nuristani | 1948 Summer, 1956 Summer | |
| Mohammad Amin Nuristani [ Wikidata ] | 1948 Summer, 1956 Summer | |
| Mohammad Jahan Nuristani | 1948 Summer | |
| Mohammad Kadir Nuristani | 1948 Summer | |
| Noor Ullah Nuristani | 1956 Summer | |
| Ramazan Nuristani | 1956 Summer | |
| Ruşana Nurjawowa | Turkmenistan | Judo | 2016 Summer | |
| Liya Nurkina | Kazakhstan | Taekwondo | 2008 Summer | |
| Lita Nurlita | Indonesia | Badminton | 2004 Summer | |
| Kaisar Nurmaganbetov | Kazakhstan | Canoe sprint | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Gadzhimurad Nurmagomedov | Armenia | Wrestling | 2012 Summer | |
| Osman Nurmagomedov | Azerbaijan | 2024 Summer | |
| Shakhzod Nurmatov [ Wikidata ] | Uzbekistan | Rowing | 2024 Summer | |
| Tiiu Nurmberg | Estonia | Alpine skiing | 2006 Winter, 2010 Winter | |
| Tiidrek Nurme | Athletics | 2008 Summer, 2016 Summer, 2020 Summer | |
| Holger Nurmela | Sweden | Ice hockey | 1948 Winter, 1952 Winter, 1956 Winter | |
| Sulo Nurmela | Finland | Cross country skiing | 1936 Winter | |
| Tapio Nurmela | Nordic combined | 1994 Winter, 1998 Winter | |
| Ari-Pekka Nurmenkari | Figure skating | 2010 Winter | |
| Paavo Nurmi | Athletics | 1920 Summer, 1924 Summer, 1928 Summer | |
| Pasi Nurminen | Ice hockey | 2002 Winter | |
| Kaarel Nurmsalu | Estonia | Ski jumping | 2014 Winter | |
| Laura Nurmsalu | Archery | 2016 Summer | |
| Muchammad Nurmufid [ Wikidata ] | Indonesia | Beach volleyball | 1996 Summer | |
| Guwanç Nurmuhammedow | Turkmenistan | Judo | 2008 Summer | |
| Anna Nurmukhambetova | Kazakhstan | Weightlifting | 2012 Summer | |
| Kai Nürnberger | Germany | Basketball | 1992 Summer | |
| Magomedgaji Nurov | North Macedonia | Wrestling | 2020 Summer | |
| Cristy Nurse | Canada | Rowing | 2016 Summer | |
| Kia Nurse | Basketball | 2016 Summer, 2020 Summer, 2024 Summer | |
| Sarah Nurse | Ice hockey | 2018 Winter, 2022 Winter | |
| Tim Nurse | Great Britain | Field hockey | 2024 Summer | |
| Selim Nurudeen | Nigeria | Athletics | 2008 Summer, 2012 Summer | |
| Ruslan Nurudinov | Uzbekistan | Weightlifting | 2012 Summer, 2016 Summer | |
| Bakhtiyor Nurullaev | 1996 Summer, 2000 Summer | |
| Magomed Nurutdinov | Belarus | Boxing | 2008 Summer | |
| Liliya Nurutdinova | Unified Team | Athletics | 1992 Summer | |
| Theo Nüsing | West Germany | Canoe slalom | 1972 Summer | |
| Sjoeke Nüsken | Germany | Football | 2024 Summer | |
| Albert Nuss | Luxembourg | Boxing | 1928 Summer | |
| Kristen Nuss | United States | Beach volleyball | 2024 Summer | |
| Fritz Nussbaum | Switzerland | Athletics | 1948 Summer | |
| Lucrèce Nussbaum | Ice hockey | 2010 Winter | |
| Theo Nussbaum | Germany | Art competitions | 1936 Summer | |
| Horst Nußbaumer | Austria | Rowing | 1992 Summer, 1996 Summer, 2000 Summer | |
| Josef Nüsser | Czechoslovakia | Nordic combined | 1956 Winter | |
| Larissa Nüsser | Netherlands | Handball | 2020 Summer, 2024 Summer | |
| Robert Nusser | Austria | Ice hockey | 1956 Winter | |
| Markus Nüssli | Switzerland | Bobsleigh | 1998 Winter | |
| Anita Nüßner | East Germany | Canoe sprint | 1968 Summer | |
| Oleg Nuță [ Wikidata ] | Romania | 2024 Summer | |
| Petre Nuță | Road cycling | 1952 Summer | |
| Leontin Nuțescu [ Wikidata ] | Rowing | 2024 Summer | |
| Andrea Nuti | Italy | Athletics | 1992 Summer, 1996 Summer | |
| Giorgio Nuti | Equestrian jumping | 1976 Summer, 1984 Summer, 1992 Summer | |
| Wanda Nuti | Artistic gymnastics | 1948 Summer | |
| Andrey Nutrikhin | Russia | Cross country skiing | 1998 Winter | |
| Cliff Nuttall | Canada | Athletics | 1964 Summer | |
| John Nuttall | India | Boxing | 1948 Summer | |
| John Nuttall | Great Britain | Athletics | 1996 Summer | |
| Frank Nutzenberger | Canada | Artistic gymnastics | 1984 Summer | |
| Paulus Ali Nuumbembe | Namibia | Boxing | 2000 Summer | |
| Emma Nuutinen | Finland | Ice hockey | 2014 Winter, 2018 Winter | |
| Raine Nuutinen | Basketball | 1952 Summer | |
| Sanna Nuutinen | Golf | 2020 Summer | |
| Stacey Nuveman-Deniz | United States | Softball | 2000 Summer, 2004 Summer, 2008 Summer | |
| Montanino Nuvoli | Italy | Rowing | 1952 Summer | |
| Salvatore Nuvoli | 1956 Summer | |
| Andrea Nuyt | Netherlands | Speed skating | 1998 Winter, 2002 Winter | |
| Léonard Nuytens | Belgium | Rowing | 1912 Summer | |
| Cedric Nuytinck | Table tennis | 2024 Summer | |
| Josef Pierre Nuyttens | United States | Art competitions | 1932 Summer | |
| Carlos Nuzman | Brazil | Volleyball | 1964 Summer | |
| Henry Nuzum | United States | Rowing | 2000 Summer, 2004 Summer | |
| Letizia Nuzzo | Italy | Artistic swimming | 1996 Summer | |
| Barbara Nwaba | United States | Athletics | 2016 Summer | |
| Mary Nwachukwu | Nigeria | Handball | 1992 Summer | |
| Sorina Nwachukwu | Germany | Athletics | 2008 Summer | |
| Rita Nwadike | Nigeria | Football | 2000 Summer, 2004 Summer | |
| Carlotta Nwajide | Germany | Rowing | 2020 Summer | |
| Ike Nwamu | Nigeria | Basketball | 2020 Summer | |
| Adaku Nwandu [ Wikidata ] | Swimming | 2024 Summer | |
| Obisia Nwankpa | Boxing | 1972 Summer | |
| Chidi Nwanu | Football | 1988 Summer | |
| Immaculate Nwaogu | Handball | 1992 Summer | |
| Khin Moe Nwe | Myanmar | Weightlifting | 2000 Summer | |
| Oluoma Nwoke | Nigeria | Athletics | 2008 Summer | |
| Ngozi Nwokocha | 2004 Summer | |
| Nzubechi Grace Nwokocha | 2020 Summer | |
| Charles Nwokolo | Boxing | 1984 Summer | |
| Jordan Nwora | Basketball | 2020 Summer | |
| Chima Nwosu | Football | 2004 Summer | |
| Gloria Amuche Nwosu | Athletics | 2004 Summer | |
| Henry Nwosu | Football | 1980 Summer | |
| Henry Nwume | Great Britain | Bobsleigh | 2010 Winter | |
| Eric Ny | Sweden | Athletics | 1932 Summer, 1936 Summer | |
| Tiberius Nyachwaya | Kenya | Judo | 1988 Summer | |
| Rutendo Nyahora | Zimbabwe | Athletics | 2016 Summer, 2024 Summer | |
| Chrisantus Nyakwayo | Kenya | 1964 Summer | |
| Munyoro Nyamau | 1968 Summer, 1972 Summer | |
| Alfred Nyambane | 1984 Summer | |
| Patric Nyambariro-Nhauro | Zimbabwe | 1984 Summer | |
| Tugstsogt Nyambayar | Mongolia | Boxing | 2012 Summer | |
| Patrick Kakozi Nyambe | Zambia | Athletics | 2024 Summer | |
| Watson Nyambek | Malaysia | 1996 Summer, 2000 Summer | |
| Suleiman Nyambui | Tanzania | 1980 Summer | |
| Tömörbaataryn Nyamdavaa | Mongolia | Speed skating | 1980 Winter | |
| Badrakhyn Nyamjav | Judo | 1988 Summer | |
| Damdinsürengiin Nyamkhüü | 2004 Summer, 2008 Summer | |
| Pürevdorjiin Nyamlkhagva | 1996 Summer, 2000 Summer | |
| Sainjargalyn Nyam-Ochir | 2012 Summer | |
| Mpumi Nyandeni | South Africa | Football | 2012 Summer, 2016 Summer | |
| Elkana Nyangau | Kenya | Athletics | 1988 Summer | |
| Frank Nyangweso | Uganda | Boxing | 1960 Summer | |
| Gyula Nyári | Hungary | Sailing | 1988 Summer, 1992 Summer | |
| Peter Nyari | Italy | Baseball | 2004 Summer | |
| Zsolt Nyári | Hungary | Sailing | 1988 Summer, 1992 Summer, 1996 Summer | |
| Tom Nyariki | Kenya | Athletics | 1996 Summer | |
| Magdolna Nyári-Kovács | Hungary | Fencing | 1952 Summer, 1956 Summer, 1960 Summer | |
| Alex Nyarko | Ghana | Football | 1992 Summer | |
| Veronica Nyaruai | Kenya | Athletics | 2008 Summer | |
| Cuthbert Nyasango | Zimbabwe | 2008 Summer, 2012 Summer, 2016 Summer | |
| Marjory Nyaumwe | Football | 2016 Summer | |
| Eva Nyberg | Sweden | Swimming | 1988 Summer, 1992 Summer | |
| Evert Nyberg | Athletics | 1948 Summer, 1956 Summer, 1960 Summer | |
| Fredrik Nyberg | Alpine skiing | 1992 Winter, 1994 Winter, 1998 Winter, 2002 Winter, 2006 Winter | |
| Herman Nyberg | Sailing | 1912 Summer | |
| Herman Nyberg [ Wikidata ] | Shooting | 1912 Summer | |
| Katarina Nyberg | Curling | 1998 Winter, 2002 Winter | |
| Katja Nyberg | Norway | Handball | 2008 Summer | |
| Mats Nyberg | Sweden | Sailing | 1988 Summer, 1992 Summer, 1996 Summer | |
| Thomas Nyberg | Athletics | 1984 Summer | |
| Mauri Nyberg-Noroma | Finland | Artistic gymnastics | 1928 Summer, 1932 Summer, 1936 Summer | |
| Gustaf Nyblæus | Sweden | Equestrian eventing | 1936 Summer | |
| Anders Nyblom | Denmark | Wrestling | 2008 Summer | |
| Håkan Nyblom | 2004 Summer, 2012 Summer | |
| Daniel Nyborg [ Wikidata ] | Sailing | 2024 Summer | |
| Helmuth Nyborg | Canoe sprint | 1960 Summer | |
| Reidar Nyborg | Norway | Cross country skiing | 1948 Winter | |
| Inger Helene Nybråten | 1984 Winter, 1988 Winter, 1992 Winter, 1994 Winter | |
| Radim Nyč | Czechoslovakia | 1988 Winter, 1992 Winter | |
| Kyar Ba Nyein | Myanmar | Boxing | 1952 Summer | |
| Imre Nyéki | Hungary | Swimming | 1948 Summer, 1952 Summer | |
| Geofrey Nyeko | Uganda | Boxing | 1980 Summer, 1984 Summer | |
| Thomas Nyemeg | Cameroon | Road cycling | 1980 Summer | |
| Carla Nyenhuis | Germany | Badminton | 2016 Summer | |
| László Nyers | Hungary | Wrestling | 1968 Summer | |
| Adrienn Nyeste | Artistic gymnastics | 1996 Summer, 2000 Summer | |
| Anja Nyffeler | Switzerland | Artistic swimming | 2012 Summer | |
| R. Nyffeler | Boxing | 1924 Summer | |
| Hjalmar Nygaard | Norway | 1920 Summer | |
| Jeff Nygaard | United States | Volleyball, Beach volleyball | 1996 Summer, 2000 Summer, 2004 Summer | |
| Kristen Nygaard | Denmark | Football | 1972 Summer | |
| Olaf Nygaard | Norway | Road cycling | 1920 Summer | |
| Jens Nygård | Shooting | 1972 Summer | |
| Don Nygord | United States | 1984 Summer, 1988 Summer | |
| Wollert Nygren | Norway | Speed skating | 1928 Winter | |
| Jarmila Nygrýnová | Czechoslovakia | Athletics | 1972 Summer, 1976 Summer, 1980 Summer | |
| Tory Nyhaug | Canada | Cycling BMX racing | 2012 Summer, 2016 Summer | |
| Anders Nyholm | Denmark | Sailing | 2004 Summer, 2008 Summer | |
| Johan Nyholm | Finland | Rowing | 1912 Summer | |
| Ani Nyhus | Canada | Softball | 2004 Summer | |
| David Nyika | New Zealand | Boxing | 2020 Summer | |
| Tibor Nyilas | United States | Fencing | 1948 Summer, 1952 Summer, 1956 Summer, 1960 Summer | |
| Apollinarie Nyinawabéra | Rwanda | Athletics | 1988 Summer | |
| Atonye Nyingifa | Nigeria | Basketball | 2020 Summer | |
| Épiphanie Nyirabaramé | Rwanda | Athletics | 2004 Summer, 2008 Summer | |
| Daphrose Nyiramutuzo | 1988 Summer | |
| Salome Nyirarukundo | 2016 Summer | |
| Charlton Nyirenda | Malawi | Swimming | 2008 Summer | |
| Stone Nyirenda | Zambia | Football | 1988 Summer | |
| Anna Nyíri | Hungary | Swimming | 1996 Summer | |
| Alexandru Nyisztor | Romania | Fencing | 2004 Summer | |
| János Nyisztor [ Wikidata ] | Hungary | Artistic gymnastics | 1908 Summer | |
| Lilian Nyiti | Tanzania | Athletics | 1980 Summer | |
| Matti Nykänen | Finland | Ski jumping | 1984 Winter, 1988 Winter | |
| Reijo Nykänen | Wrestling | 1956 Summer | |
| Julie Nykiel | Australia | Basketball | 1984 Summer, 1988 Summer | |
| Magdalena Nykiel | Poland | Biathlon | 2006 Winter | |
| Grete Ingeborg Nykkelmo | Norway | 1992 Winter | |
| Hennadiy Nykon | Ukraine | Cross country skiing | 1998 Winter | |
| Bjørn Nyland | Norway | Speed skating | 1984 Winter | |
| Michael Nylander | Sweden | Ice hockey | 1998 Winter, 2002 Winter | |
| Sven Nylander | Athletics | 1984 Summer, 1992 Summer, 1996 Summer | |
| Carl-Olof Nylén | Tennis | 1912 Summer | |
| Ove Nylén | Swimming | 1980 Summer | |
| Emil Nylund [ Wikidata ] | Finland | Rowing | 1912 Summer | |
| Jenniina Nylund | Ice hockey | 2022 Winter | |
| Lindsay Nylund | Australia | Artistic gymnastics | 1980 Summer | |
| Ossian Nylund | Finland | Athletics | 1920 Summer | |
| Tore Nylund | Sweden | Diving | 1912 Summer | |
| Albert Nyman | Finland | 1912 Summer | |
| Anita Nyman | Cross country skiing, Biathlon | 1998 Winter, 2002 Winter | |
| Gustaf Nyman | Shooting | 1908 Summer, 1912 Summer | |
| John Nyman | Sweden | Wrestling | 1936 Summer | |
| Joni Nyman | Finland | Boxing | 1984 Summer, 1988 Summer | |
| Kurt Nyman | Sailing | 1972 Summer | |
| Marcus Nyman | Sweden | Judo | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Paul Nyman | Finland | Road cycling, Track cycling | 1952 Summer, 1956 Summer, 1960 Summer | |
| René Nyman | Sailing | 1936 Summer, 1948 Summer, 1952 Summer, 1960 Summer | |
| Steven Nyman | United States | Alpine skiing | 2006 Winter, 2010 Winter, 2014 Winter | |
| Anne Nymark Andersen | Norway | Football | 1996 Summer | |
| Nina Nymark Andersen | 1996 Summer | |
| Trond Nymark | Athletics | 2004 Summer, 2008 Summer, 2012 Summer | |
| Petr Nymburský | Czech Republic | Shooting | 2020 Summer, 2024 Summer | |
| Lacey Nymeyer | United States | Swimming | 2008 Summer | |
| Olivier Nyokas | France | Handball | 2016 Summer | |
| Young Talkmore Nyongani | Zimbabwe | Athletics | 2004 Summer, 2008 Summer | |
| Nancy Nyongesa | Kenya | Volleyball | 2004 Summer | |
| Gustav Nyquist | Sweden | Ice hockey | 2014 Winter | |
| Per Nyqvist | Modern pentathlon | 1992 Summer | |
| Vaadjuv Nyqvist | Norway | Sailing | 1936 Summer | |
| Veikko Nyqvist | Finland | Athletics | 1948 Summer, 1952 Summer | |
| Yuri Nyrkov | Soviet Union | Football | 1952 Summer | |
| Erik Nys | Belgium | Athletics | 1996 Summer, 2000 Summer | |
| Georges Nys [ Wikidata ] | France | Artistic gymnastics | 1908 Summer | |
| Marcel Nys | Belgium | Fencing | 1948 Summer | |
| Sven Nys | Cycling mountain bike | 2008 Summer, 2012 Summer | |
| Claudia Nystad | Germany | Cross country skiing | 2002 Winter, 2006 Winter, 2010 Winter, 2014 Winter | |
| Minna Nystedt | Norway | Speed skating | 1988 Winter | |
| Stefan Nystrand | Sweden | Swimming | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Bertil Nyström | Wrestling | 1960 Summer, 1964 Summer, | |
| Bror Nyström | Finland | Shooting | 1984 Summer | |
| Fredrik Nyström | Sweden | 1912 Summer | |
| Hans Nyström | Sailing | 1984 Summer | |
| Hjalmar Nyström | Finland | Wrestling | 1924 Summer, 1928 Summer, 1936 Summer | |
| Johan Nyström | Sweden | Athletics | 1900 Summer | |
| Johan Nyström | Swimming | 2000 Summer | |
| Karen Nystrom | Canada | Ice hockey | 1998 Winter | |
| Torsten Nyström | Sweden | Shooting | 1912 Summer | |
| Valter Nyström | Athletics | 1952 Summer | |
| Carolin Nytra | Germany | 2008 Summer, 2012 Summer | |
| Slavik Nyu | Kazakhstan | Weightlifting | 2000 Summer | |
| Hla Nyunt | Myanmar | Boxing | 1960 Summer | |
| Myo Win Nyunt | Football | 1972 Summer | |
| Ye Nyunt | 1972 Summer | |
| Marat Nyýazow | Soviet Union | Shooting | 1960 Summer | |
| Artturi Nyyssönen | Finland | Football | 1912 Summer | |
| Mykola Nyzhnyk | Ukraine | Athletics | 2020 Summer | |
| Clément Nzali | Cameroon | Judo | 1984 Summer | |
| Stévy Nzambé | Gabon | Football | 2012 Summer | |
| Joseph Nzau | Kenya | Athletics | 1984 Summer | |
| Estelle Nze Minko | France | Handball | 2016 Summer, 2020 Summer, 2024 Summer | |
| Madias Nzesso | Cameroon | Weightlifting | 2012 Summer | |
| Éric Nzikwinkunda | Burundi | Athletics | 2020 Summer | |
| Sibusiso Nzima | South Africa | 2016 Summer | |
| Abel Nzimande | 1992 Summer | |
| Doreen Nziwa | Kenya | Rugby sevens | 2016 Summer | |
| Emery Nziyunvira | Burundi | Swimming | 2004 Summer | |
| Teresa Nzola Meso Ba | France | Athletics | 2008 Summer | |
| Adão N'Zuzi [ Wikidata ] | Angola | Boxing | 1988 Summer | |