| Name | Nation | Sport | Games | Notes |
|---|
| Zenani Kraai | South Africa | Field hockey | 2024 Summer | |
| Jaap Kraaier | Netherlands | Canoe sprint | 1936 Summer | |
| Piet Kraak | Football | 1948 Summer, 1952 Summer | |
| Gerda Kraan | Athletics | 1960 Summer, 1964 Summer | |
| Oliver Kraas | South Africa | Cross country skiing | 2006 Winter, 2010 Winter | |
| Fritz Kraatz | Switzerland | Ice hockey | 1928 Winter | |
| Victor Kraatz | Canada | Figure skating | 1994 Winter, 1998 Winter, 2002 Winter | |
| Jørn Krab | Denmark | Rowing | 1968 Summer | |
| Preben Krab | 1968 Summer | |
| Felix Krabbe | Germany | Sailing | 2004 Summer | |
| Katrin Krabbe | East Germany | Athletics | 1988 Summer | |
| Eugène Kracher | France | Wrestling | 1936 Summer | |
| Svetlana Krachevskaya | Soviet Union | Athletics | 1972 Summer, 1976 Summer, 1980 Summer | |
| Petar Krachmarov | Bulgaria | Volleyball | 1964 Summer, 1968 Summer | |
| Bror Kraemer | Finland | Athletics | 1924 Summer | |
| Alvin Kraenzlein | United States | 1900 Summer | |
| Carl Kraft | Denmark | Equestrian eventing | 1912 Summer | |
| Erika Kraft | Germany | Figure skating | 1952 Winter | |
| Henry Kraft [ Wikidata ] | United States | Artistic gymnastics | 1904 Summer | |
| Ivonne Kraft | Germany | Cycling mountain bike | 2004 Summer | |
| Karen Kraft | United States | Rowing | 1996 Summer, 2000 Summer | |
| Sofia Kraft | Sweden | Swimming | 1984 Summer | |
| Stefan Kraft | Austria | Ski jumping | 2018 Winter, 2022 Winter | |
| Carolina Krafzik | Germany | Athletics | 2020 Summer, 2024 Summer | |
| Denis Ségui Kragbé | Ivory Coast | 1964 Summer, 1968 Summer | |
| Constantin Krage | Denmark | Art competitions | 1928 Summer | |
| Urša Kragelj | Slovenia | Canoe slalom | 2016 Summer | |
| Johannes Kragh | Denmark | Art competitions | 1924 Summer | |
| Jerko Marinić Kragić | Croatia | Water polo | 2024 Summer | |
| Mareen Kräh | Germany | Judo | 2016 Summer | |
| Maria Krahe | Brazil | Sailing | 2000 Summer | |
| Jello Krahmer | Germany | Wrestling | 2024 Summer | |
| Annike Krahn | Football | 2008 Summer, 2016 Summer | |
| Adrian Krainer | Austria | Snowboarding | 2014 Winter | |
| Martin Krainz | Ice hockey | 1994 Winter | |
| Andrey Kraitor | Russia | Canoe sprint | 2016 Summer | |
| Rudolf Kraj | Czech Republic | Boxing | 2000 Summer | |
| Slaven Krajačić | Croatia | Athletics, Bobsleigh | 2000 Summer, 2006 Winter, 2010 Winter | |
| Franjo Krajčar | Yugoslavia | Athletics | 1952 Summer | |
| Marek Krajčovič | Slovakia | Canoe sprint | 2012 Summer | |
| Adam Krajewski | Poland | Fencing | 1952 Summer | |
| Julia Krajewski | Germany | Equestrian eventing | 2016 Summer, 2020 Summer, 2024 Summer | |
| Przemysław Krajewski | Poland | Handball | 2016 Summer | |
| Austin Krajicek | United States | Tennis | 2020 Summer, 2024 Summer | |
| Lukáš Krajíček | Czech Republic | Ice hockey | 2014 Winter | |
| Tina Krajišnik | Serbia | Basketball | 2020 Summer, 2024 Summer | |
| Albert Krajmer | Czechoslovakia | Rowing | 1956 Summer | |
| Vladimír Krajňák | Alpine skiing | 1956 Winter | |
| Regina Krajnow | Poland | Diving | 1972 Summer | |
| Harald Kråkenes | Norway | Rowing | 1948 Summer, 1952 Summer, 1960 Summer | |
| Sverre Kråkenes | 1952 Summer, 1960 Summer | |
| Thorstein Kråkenes | 1948 Summer, 1952 Summer | |
| Steffi Kräker | East Germany | Artistic gymnastics | 1976 Summer, 1980 Summer | |
| Iurii Krakovetskii | Kyrgyzstan | Judo | 2012 Summer, 2016 Summer | |
| Irina Krakoviak-Tolstika | Lithuania | Athletics | 2000 Summer | |
| Tereza Krakovičová | Czech Republic | Basketball | 2012 Summer | |
| Jaroslav Král | Czechoslovakia | Boxing | 1972 Summer | |
| Miroslav Kráľ | Football | 1968 Summer | |
| Ondřej Král | Czech Republic | Badminton | 2024 Summer | |
| Radoslav Kráľ | Slovakia | Football | 2000 Summer | |
| Jarmila Králíčková | Czechoslovakia | Field hockey | 1980 Summer | |
| František Králík | Handball | 1972 Summer | |
| Jiří Králík | Ice hockey | 1980 Winter, 1984 Winter | |
| Kamilė Kralikaitė | Lithuania | Rowing | 2024 Summer | |
| Ľudmila Králiková | Czechoslovakia | Basketball | 1976 Summer | |
| Dejan Kralj | Slovenia | Canoe slalom | 2000 Summer | |
| Jan Kralj | Snowboarding | 2014 Winter | |
| Miloš Kralj | Yugoslavia | Canoe sprint | 1972 Summer | |
| Milka Kraljev | Argentina | Rowing | 2004 Summer, 2012 Summer, 2020 Summer | |
| Rachid Kram | Algeria | Athletics | 1988 Summer | |
| Ahmed Krama | 1996 Summer | |
| David Kramár | Czech Republic | Speed skating | 2002 Winter | |
| Anton Kramarenko | Kyrgyzstan | Swimming | 2004 Summer | |
| Boris Kramarenko | Soviet Union | Wrestling | 1980 Summer | |
| Ekaterina Kramarenko | Russia | Artistic gymnastics | 2008 Summer | |
| Oleh Kramarenko | Ukraine | Athletics | 1996 Summer | |
| Yana Kramarenko | Israel | Rhythmic gymnastics | 2020 Summer | |
| Andreas Kramer | Sweden | Athletics | 2020 Summer, 2024 Summer | |
| Annemarie Kramer | Netherlands | 2004 Summer | |
| Axel Krämer | East Germany | Shooting | 1980 Summer | |
| Bogdan Kramer | Poland | Sailing | 1980 Summer | |
| Dirk Kramer | West Germany | Nordic combined | 1984 Winter | |
| Edmond Kramer | Switzerland | Football | 1924 Summer | |
| Gijs Kramer | Netherlands | Art competitions | 1936 Summer, 1948 Summer | |
| Heinz Kramer | Germany | Shooting | 1960 Summer | |
| Jan Kramer | Netherlands | Rowing | 1936 Summer | |
| Josef Krämer | Germany | Artistic gymnastics | 1908 Summer | |
| Mathilde Kramer | Denmark | Athletics | 2020 Summer | |
| Nicole Kramer | United States | Swimming | 1976 Summer | |
| Rudolf Kramer | Austria | Road cycling | 1912 Summer | |
| Sven Kramer | Netherlands | Speed skating | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| William Kramer | United States | Athletics | 1912 Summer | |
| Yep Kramer | Netherlands | Speed skating | 1980 Winter, 1984 Winter | |
| Antonín Kramerius | Czechoslovakia | Football | 1968 Summer | |
| Denise Kramer-Scholer | Switzerland | Fencing | 1936 Summer | |
| Werner Krammel | West Germany | Swimming | 1968 Summer | |
| Anton Krammer | Austria | Football | 1952 Summer | |
| Nico Krämmer | Germany | Ice hockey | 2022 Winter | |
| Katina Kramos | Greece | Softball | 2004 Summer | |
| Hamza Kramou | Algeria | Boxing | 2008 Summer | |
| Mahoula Kramou | Ivory Coast | Handball | 1988 Summer | |
| Samanta Krampe [ Wikidata ] | Latvia | Cross country skiing | 2022 Winter | |
| Jindra Kramperová | Czechoslovakia | Figure skating | 1956 Winter | |
| Mia Krampl | Slovenia | Sport climbing | 2020 Summer, 2024 Summer | |
| Roman Kramsztyk | Poland | Art competitions | 1928 Summer | |
| Henrique Kranen | Brazil | Rowing | 1936 Summer | |
| Coen Kranenberg | Netherlands | Field hockey | 1972 Summer, 1976 Summer | |
| Alexandros Kranis | Greece | Athletics | 1920 Summer, 1924 Summer | |
| Aleš Kranjc | Slovenia | Ice hockey | 2014 Winter, 2018 Winter | |
| Matija Kranjc | Athletics | 2008 Summer, 2012 Summer | |
| Robert Kranjec | Ski jumping | 2002 Winter, 2006 Winter, 2010 Winter, 2014 Winter | |
| Žan Kranjec | Alpine skiing | 2014 Winter, 2018 Winter, 2022 Winter | |
| Frédéric Krantz | France | Athletics | 2000 Summer, 2004 Summer | |
| Sabine Krantz | Germany | 2004 Summer, 2008 Summer, 2012 Summer | |
| Tom Krantz | Sweden | Canoe sprint | 1996 Summer | |
| Kevin Kranz | Germany | Athletics | 2024 Summer | |
| Neal Kranz [ Wikidata ] | Guam | Wrestling | 1996 Summer | |
| Andreas Krapf | Austria | Shooting | 1948 Summer | |
| Ivan Krapić | Croatia | Water polo | 2016 Summer | |
| Gintaras Krapikas | Lithuania | Basketball | 1992 Summer | |
| Anastasiia Krapivina | Russia | Marathon swimming | 2016 Summer | |
| Kai Aage Krarup | Denmark | Equestrian eventing | 1948 Summer | |
| Václav Krása | Czechoslovakia | Basketball | 1948 Summer | |
| Juttaporn Krasaeyan | Thailand | Athletics | 2004 Summer | |
| Aleksandr Krasavin | Soviet Union | Canoe sprint | 1952 Summer | |
| Miloš Krasić | Serbia and Montenegro | Football | 2004 Summer | |
| Evgeni Krasilnikov | Soviet Union, Unified Team | Volleyball | 1988 Summer, 1992 Summer | |
| Viacheslav Krasilnikov | Russia, Russian Olympic Committee | Beach volleyball | 2016 Summer, 2020 Summer | |
| Olga Krasilová | Czechoslovakia | Cross country skiing | 1956 Winter | |
| Maria Krasiltseva | Armenia | Figure skating | 1998 Winter, 2002 Winter | |
| Jakub Kraska | Poland | Swimming | 2020 Summer | |
| Jerzy Kraska | Football | 1972 Summer | |
| Aleksandr Krasko | Belarus | Athletics | 1996 Summer | |
| Robert Kraskowski | Poland | Shooting | 1992 Summer, 1996 Summer, 2008 Summer | |
| Jan Krásl | Czechoslovakia | Ice hockey | 1924 Winter, 1928 Winter | |
| Iryna Krasnianska | Ukraine | Artistic gymnastics | 2004 Summer, 2008 Summer | |
| Natella Krasnikova | Soviet Union | Field hockey | 1980 Summer | |
| Distria Krasniqi | Kosovo | Judo | 2020 Summer, 2024 Summer | |
| Luan Krasniqi | Germany | Boxing | 1996 Summer | |
| Bogna Krasnodębska-Gardowska | Poland | Art competitions | 1936 Summer | |
| Ihor Krasnopir | Ukraine | Football | 2024 Summer | |
| Evgeni Krasnopolski | Israel | Figure skating | 2014 Winter, 2018 Winter, 2022 Winter | |
| Hanna Krasnoshlyk | Ukraine | Diving | 2016 Summer | |
| Aleksandr Krasnov | Soviet Union | Track cycling | 1980 Summer | |
| Danny Krasnov | Israel | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Vladimir Krasnov | Russia | 2012 Summer | |
| Vera Krasnova | Soviet Union | Speed skating | 1972 Winter, 1976 Winter | |
| Aleksandr Krasnoyartsev | Unified Team | Field hockey | 1992 Summer | |
| Aleksandr Krasnykh | Russia, Russian Olympic Committee | Swimming | 2016 Summer, 2020 Summer | |
| Michał Krasodomski [ Wikidata ] | Poland | Sailing | 2024 Summer | |
| Olena Krasovska | Ukraine | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Jānis Krasovskis | Soviet Union | 1960 Summer | |
| Oleksiy Krasovsky | Ukraine | Cross country skiing | 2014 Winter, 2018 Winter, 2022 Winter | |
| Jerzy Krasówka | Poland | Football | 1952 Summer | |
| Katarzyna Krasowska | Badminton | 1992 Summer, 1996 Summer, 2000 Summer | |
| Julia Krass | United States | Freestyle skiing | 2014 Winter | |
| Horst Krasser | Austria | Shooting | 1988 Summer | |
| Natalya Krassilnikova | Kazakhstan | Water polo | 2004 Summer | |
| Mihail Krassilov | Athletics | 2016 Summer | |
| Dieter Krassnig | Austria | Snowboarding | 1998 Winter, 2002 Winter, 2006 Winter | |
| Dimitar Krastanov | Bulgaria | Modern pentathlon | 2016 Summer | |
| Renārs Krastenbergs | Latvia | Ice hockey | 2022 Winter | |
| Emil Krastev | Bulgaria | Boxing | 2000 Summer | |
| Ivan Krastev | Wrestling | 1972 Summer | |
| Krasimir Krastev | Sailing | 1980 Summer | |
| Plamen Krastev | Athletics | 1980 Summer | |
| Stefan Krastev | Shooting | 1976 Summer | |
| Todor Krastev | Football | 1968 Summer | |
| Anna Krasteva | Short track speed skating | 2002 Winter | |
| Stoyka Krasteva | Boxing | 2012 Summer, 2020 Summer | |
| Tsvetanka Krasteva | Athletics | 1960 Summer | |
| Dimo Krastinov | Ice hockey | 1976 Winter | |
| Franciela Krasucki | Brazil | Athletics | 2012 Summer, 2016 Summer | |
| Hennadiy Krasylnykov | Ukraine | Weightlifting | 2000 Summer, 2004 Summer | |
| Serhiy Krasyuk | Soviet Union | Swimming | 1980 Summer | |
| Sándor Krasznai | Hungary | Athletics | 1956 Summer | |
| Viktor Kratasyuk | Soviet Union | Canoe sprint | 1972 Summer | |
| George Kratina | United States | Art competitions | 1932 Summer, 1936 Summer | |
| Stanley Kratkowski | Weightlifting | 1932 Summer, 1936 Summer | |
| Břetislav Krátký | Czechoslovakia | Athletics | 1936 Summer | |
| Petr Krátký [ Wikidata ] | Rowing | 1968 Summer | |
| František Kratochvíl | Wrestling | 1924 Summer, 1928 Summer | |
| Tomáš Kratochvíl | Czech Republic | Athletics | 1996 Summer | |
| Jarmila Kratochvílová | Czechoslovakia | 1980 Summer | |
| Veronika Kratochwil | Austria | Diving | 2008 Summer | |
| Jovan Kratohvil | Yugoslavia | Shooting | 1952 Summer | |
| Guido Kratschmer | West Germany | Athletics | 1976 Summer, 1984 Summer | |
| Giacomo Kratter | Italy | Snowboarding | 2002 Winter, 2006 Winter | |
| Ilana Kratysh | Israel | Wrestling | 2016 Summer | |
| Karel Kratz | Netherlands | Water polo | 1920 Summer | |
| Alois Kratzer | Germany | Ski jumping | 1928 Winter | |
| Evi Kratzer | Switzerland | Cross country skiing | 1980 Winter, 1984 Winter, 1988 Winter | |
| Rupert Kratzer | West Germany | Track cycling | 1968 Summer | |
| Sophie Kratzer | Germany | Ice hockey | 2014 Winter | |
| Dieter Kratzsch | East Germany | 1968 Winter | |
| Carolyn Krau | Great Britain | Figure skating | 1956 Winter, 1960 Winter | |
| Andrei Krauchanka | Belarus | Athletics | 2008 Summer | |
| Sebastian Kraupp | Sweden | Curling | 2010 Winter, 2014 Winter | |
| Alanna Kraus | Canada | Short track speed skating | 2002 Winter, 2006 Winter | |
| Angelika Kraus | West Germany | Swimming | 1968 Summer, 1972 Summer | |
| August Kraus | Germany | Art competitions | 1928 Summer | |
| Bente Kraus | Speed skating | 2014 Winter | |
| Brigitte Kraus | West Germany | Athletics | 1976 Summer, 1984 Summer | |
| Jan Kraus | Czechoslovakia | Wrestling | 1920 Summer | |
| Marinus Kraus | Germany | Ski jumping | 2014 Winter | |
| Melanie Kraus | Athletics | 2008 Summer | |
| Michael Kraus | West Germany | Swimming | 1976 Summer | |
| Michael Kraus | United States | Field hockey | 1984 Summer | |
| Michael Kraus | Germany | Handball | 2008 Summer | |
| Peter Kraus | Athletics | 1952 Summer | |
| Peter Kraus | West Germany | Field hockey | 1972 Summer | |
| Sascia Kraus | Switzerland | Artistic swimming | 2016 Summer | |
| Tomáš Kraus | Czech Republic | Freestyle skiing | 2010 Winter, 2014 Winter | |
| Xaver Kraus | West Germany | Biathlon | 1968 Winter | |
| Manfred Krausbar | Austria | Rowing | 1964 Summer, 1968 Summer, 1972 Summer | |
| Adolf Krause | Germany | Field hockey | 1964 Summer | |
| Barbara Krause | East Germany | Swimming | 1980 Summer | |
| Bernd Krause | West Germany | Rowing | 1972 Summer | |
| Charles Krause | United States | Artistic gymnastics | 1904 Summer | |
| Christiane Krause | West Germany | Athletics | 1972 Summer | |
| Dieter Krause | Germany | Canoe sprint | 1960 Summer | |
| Dieter Krause | Field hockey | 1960 Summer | |
| Ewa Larysa Krause | Poland | Judo | 1996 Summer | |
| Gesa Felicitas Krause | Germany | Athletics | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Hans-Helmuth Krause | 1928 Summer | |
| Heinrich Krause | Austria | Art competitions | 1936 Summer, 1948 Summer | |
| Helmut Krause | West Germany | Rowing | 1976 Summer | |
| Kerstin Krause | East Germany | Diving | 1976 Summer, 1980 Summer | |
| Konstantin Krause | Germany | Athletics | 1992 Summer | |
| Malene Krause | Denmark | Curling | 2002 Winter, 2006 Winter | |
| Michael Krause | West Germany | Field hockey | 1968 Summer, 1972 Summer, 1976 Summer | |
| Mikkel Krause | Denmark | Curling | 2022 Winter | |
| Nadine Krause | Germany | Handball | 2008 Summer | |
| Regina Krause | West Germany | Diving | 1968 Summer | |
| Roswitha Krause | East Germany | Swimming, Handball | 1968 Summer, 1976 Summer, 1980 Summer | |
| Sigrun Krause | Cross country skiing | 1976 Winter | |
| Vicente Krause | Argentina | Fencing | 1936 Summer | |
| Irmi Krauser | West Germany | Artistic gymnastics | 1968 Summer | |
| Achim Krause-Wichmann | Saar | Rowing | 1952 Summer | |
| Hans Krause-Wichmann | 1952 Summer | |
| Silke Kraushaar-Pielach | Germany | Luge | 1998 Winter, 2002 Winter, 2006 Winter | |
| Alfred Krauss | France | Artistic gymnastics | 1928 Summer | |
| Bernd Krauß | East Germany | Rowing | 1980 Summer | |
| Günther Krauss | West Germany | Field hockey | 1968 Summer | |
| Käthe Krauss | Germany | Athletics | 1936 Summer | |
| Paul Krauß | Ski jumping | 1936 Winter | |
| Rolf Krauß | West Germany | Wrestling | 1976 Summer | |
| Stefan Krauße | East Germany, Germany | Luge | 1988 Winter, 1992 Winter, 1994 Winter, 1998 Winter | |
| Gergely Krausz | Hungary | Badminton | 2020 Summer | |
| Nikolett Krausz | Artistic gymnastics | 1996 Summer | |
| Laura Kraut | United States | Equestrian jumping | 2000 Summer, 2008 Summer, 2020 Summer, 2024 Summer | |
| Volha Krautsova | Belarus | Athletics | 2004 Summer, 2008 Summer | |
| Amnon Krauz | Israel | Swimming | 1968 Summer | |
| Ineta Kravale | Latvia | Cross country skiing | 1994 Winter | |
| Andrej Kravárik | Greece | Volleyball | 2004 Summer | |
| Virginia Kravarioti | Sailing | 2004 Summer, 2008 Summer | |
| Olena Kravatska | Ukraine | Fencing | 2016 Summer, 2024 Summer | |
| Anastasija Kravčenoka | Latvia | Beach volleyball | 2020 Summer, 2024 Summer | |
| Alexander Kravchenko | Russia | Cross country skiing | 1998 Winter | |
| Anzhela Kravchenko | Ukraine | Athletics | 2000 Summer | |
| Hanna Kravchenko | Rowing | 2012 Summer | |
| Marina Kravchenko | Israel | Table tennis | 2004 Summer | |
| Nikolay Kravchenko | Soviet Union | Sailing | 1988 Summer | |
| Vadim Kravchenko | Kazakhstan | Track cycling | 1996 Summer, 2000 Summer | |
| Valeri Kravchenko | Soviet Union | Volleyball | 1968 Summer, 1972 Summer | |
| Viktor Kravchenko | Athletics | 1964 Summer | |
| Vladimir Kravchenko | Swimming | 1968 Summer | |
| Volodymyr Kravchenko | Ukraine | Athletics | 1996 Summer | |
| Zoya Kravchenko | Kazakhstan | Shooting | 2020 Summer | |
| Igor Kravchuk | Soviet Union, Unified Team, Russia | Ice hockey | 1988 Winter, 1992 Winter, 1998 Winter, 2002 Winter | |
| Serhiy Kravchuk | Unified Team | Fencing | 1992 Summer | |
| Stanislav Kravchuk | Ukraine | Freestyle skiing | 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter | |
| Valentyn Kravchuk | Soviet Union | Rowing | 1968 Summer | |
| Alla Kravets | Ukraine | Volleyball | 1996 Summer | |
| Inessa Kravets | Soviet Union, Unified Team, Ukraine | Athletics | 1988 Summer, 1992 Summer, 1996 Summer | |
| Uladzislau Kravets | Independent Olympians | Canoe sprint | 2024 Summer | |
| Volodymyr Kravets | Ukraine | Boxing | 2004 Summer | |
| Igor Kravtsov | Russia | Rowing | 1996 Summer, 2004 Summer | |
| Sergey Kravtsov | Soviet Union | Track cycling | 1968 Summer, 1972 Summer, 1976 Summer | |
| Sergey Kravtsov | Soviet Union, Unified Team, Belarus | Sailing | 1988 Summer, 1992 Summer, 1996 Summer | |
| Vladimir Kravtsov | Soviet Union | Handball | 1976 Summer, 1980 Summer | |
| Lucyna Krawcewicz | Poland | Athletics | 1968 Summer | |
| Grzegorz Krawców | Canoe sprint | 1988 Summer, 1992 Summer | |
| Łukasz Krawczuk | Athletics | 2016 Summer | |
| Desirae Krawczyk | United States | Tennis | 2024 Summer | |
| Henry Krawczyk | Canoe sprint | 1976 Summer | |
| Jacek Krawczyk | Poland | Swimming | 1968 Summer | |
| Jerzy Krawczyk | Boxing | 1952 Summer | |
| Katarzyna Krawczyk | Wrestling | 2016 Summer | |
| Krzysztof Krawczyk | Athletics | 1988 Summer | |
| Marek Krawczyk | Swimming | 1996 Summer, 2000 Summer | |
| Robert Krawczyk | Judo | 2000 Summer, 2004 Summer, 2008 Summer | |
| Walter Krawec | Canada | Rowing | 1976 Summer | |
| Kevin Krawietz | Germany | Tennis | 2020 Summer, 2024 Summer | |
| Aleksandar Kraychev | Bulgaria | Weightlifting | 1972 Summer | |
| Tatyana Kraynova | Soviet Union | Volleyball | 1988 Summer | |
| Lenny Krayzelburg | United States | Swimming | 2000 Summer, 2004 Summer | |
| Přemysl Krbec | Czechoslovakia | Artistic gymnastics | 1964 Summer | |
| Daniel Krčmář | Slovakia | Biathlon | 1994 Winter | |
| Michal Krčmář | Czech Republic | 2014 Winter, 2018 Winter, 2022 Winter | |
| Gabriela Krčmářová | Artistic gymnastics | 1996 Summer | |
| Sejad Krdžalić | Yugoslavia | Athletics | 1984 Summer, 1988 Summer | |
| Kalinikos Kreanga | Greece | Table tennis | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Adrienne Krebitz | Austria | Fencing | 1972 Summer | |
| Carl Krebs | Denmark | Artistic gymnastics | 1912 Summer | |
| Ernst Krebs | Germany | Canoe sprint | 1936 Summer | |
| Ernst Krebs | Switzerland | Wrestling | 1936 Summer | |
| Karin Krebs | East Germany | Athletics | 1968 Summer, 1972 Summer | |
| Richard Krebs | Germany | 1928 Summer | |
| Sándor Krebs [ Wikidata ] | Hungary | Shooting | 1956 Summer, 1960 Summer | |
| Torsten Krebs | Germany | 2004 Summer | |
| Roman Krech | Kazakhstan | Speed skating | 2010 Winter, 2014 Winter, 2018 Winter | |
| Menn Krecke | Luxembourg | Artistic gymnastics | 1948 Summer | |
| Václav Krecl | Czechoslovakia | Shooting | 1936 Summer | |
| Maciej Kreczmer | Poland | Cross country skiing | 2006 Winter, 2010 Winter, 2014 Winter | |
| Bernard Kręczyński | Track cycling | 1972 Summer | |
| Craig Kredell | United States | Water polo | 2000 Summer | |
| Henk Krediet | Netherlands | Modern pentathlon | 1972 Summer | |
| Adam Kreek | Canada | Rowing | 2004 Summer, 2008 Summer | |
| Kaido Kreen | Estonia | Beach volleyball | 1996 Summer | |
| Galina Kreft | Soviet Union | Canoe sprint | 1976 Summer, 1980 Summer | |
| Kristian Krefting | Norway | Football | 1912 Summer | |
| James Kreglo | Virgin Islands | Fencing | 1984 Summer | |
| Sofie Krehl | Germany | Cross country skiing | 2022 Winter | |
| Elvir Krehmić | Bosnia and Herzegovina | Athletics | 2000 Summer | |
| Christian Kreienbühl | Switzerland | 2016 Summer | |
| Christoph Kreienbühl | Swimming | 1972 Summer | |
| Rafael Kreienbühl | Freestyle skiing | 2018 Winter, 2022 Winter | |
| Nicole Kreil | Austria | Diving | 1984 Summer | |
| David Kreiner | Nordic combined | 2010 Winter | |
| Kathy Kreiner | Canada | Alpine skiing | 1972 Winter, 1976 Winter, 1980 Winter | |
| Kim Kreiner | United States | Athletics | 2004 Summer, 2008 Summer | |
| Laurie Kreiner | Canada | Alpine skiing | 1972 Winter, 1976 Winter | |
| Marion Kreiner | Austria | Snowboarding | 2010 Winter, 2014 Winter | |
| Stefan Kreiner | Nordic combined | 1992 Winter | |
| Harold Kreis | West Germany | Ice hockey | 1984 Winter, 1988 Winter | |
| Hans-Jürgen Kreische | East Germany | Football | 1972 Summer | |
| Franz Kreisel | Germany | Ice hockey | 1928 Winter | |
| Jan Kreisinger | Czech Republic | Athletics | 2012 Summer | |
| Fanni Kreiss | Hungary | Fencing | 2020 Summer | |
| Valters Kreišs | Latvia | Athletics | 2024 Summer | |
| Wolfgang Kreißig | Germany | 1996 Summer, 2000 Summer | |
| Willy Kreitz | Belgium | Ice hockey, Art competitions | 1928 Winter, 1936 Summer, 1936 Winter | |
| Brock Kreitzburg | United States | Bobsleigh | 2006 Winter | |
| Cyril Krejčí | Czechoslovakia | Volleyball | 1980 Summer | |
| David Krejčí | Czech Republic | Ice hockey | 2010 Winter, 2014 Winter, 2022 Winter | |
| Josef Krejci | Austria | Handball | 1936 Summer | |
| Lukáš Krejčí | Slovakia | Biathlon | 1994 Winter | |
| Richard Krejčí | Czechoslovakia | Rowing | 1992 Summer | |
| Barbora Krejčíková | Czech Republic | Tennis | 2020 Summer, 2024 Summer | |
| Hana Krejčová | Czechoslovakia | Rowing | 1988 Summer | |
| Grzegorz Krejner | Poland | Track cycling | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Jan Krekels | Netherlands | Road cycling | 1968 Summer | |
| Joško Kreković | Croatia | Water polo | 1996 Summer | |
| Fernando Kreling | Brazil | Volleyball | 2020 Summer, 2024 Summer | |
| Anne Kremer | Luxembourg | Tennis | 1996 Summer, 2000 Summer, 2004 Summer | |
| Jean-Claude Kremer | Shooting | 1988 Summer, 1992 Summer | |
| Jim Kremer | Football | 1948 Summer | |
| Mitzi Kremer | United States | Swimming | 1988 Summer | |
| René Kremer | Luxembourg | Athletics | 1948 Summer | |
| Victor Kremer | Shooting | 1960 Summer, 1964 Summer | |
| Wolfgang Kremer | Germany, West Germany | Swimming | 1964 Summer, 1968 Summer | |
| Iris Kremer-Roseneck | Luxembourg | Shooting | 1996 Summer | |
| Walter Kremershof | Germany | Ice hockey | 1952 Winter | |
| Erich Krempel | Shooting | 1936 Summer | |
| Fritz Krempel | 1952 Summer | |
| Paul Krempel | United States | Artistic gymnastics | 1920 Summer, 1928 Summer | |
| Péter Krempels | Hungary | Ice hockey | 1928 Winter | |
| Valentin Krempl | Germany | Bobsleigh | 1928 Winter | |
| Peter Kremtz | East Germany | Rowing | 1968 Summer | |
| Milan Křen | Czechoslovakia | Road cycling | 1988 Summer | |
| Karl Krenauer | Austria | Road cycling, Track cycling | 1984 Summer | |
| Harald Krenchel | Denmark | Fencing | 1908 Summer | |
| Zoltán Krenický | Czechoslovakia | Basketball | 1948 Summer | |
| Anton Krenn | Austria | Football | 1936 Summer | |
| Heinz Krenn | Bobsleigh | 1976 Winter | |
| Torsten Krentz | East Germany | Canoe sprint | 1988 Summer | |
| Eric Krenz | United States | Athletics | 1928 Summer | |
| Josef Křepela | Czechoslovakia | Basketball | 1948 Summer | |
| Jindřich Krepindl | Handball | 1972 Summer, 1976 Summer | |
| Vera Krepkina | Soviet Union | Athletics | 1952 Summer, 1956 Summer, 1960 Summer | |
| István Krepuska | Hungary | Ice hockey | 1928 Winter | |
| Kazimierz Kresowiak | Poland | Art competitions | 1928 Summer | |
| Dorothea Kreß | Germany | Athletics | 1952 Summer | |
| Marina Kress | Belarus | Basketball | 2008 Summer | |
| Giuseppe Kressevich | Italy | Athletics | 1952 Summer | |
| Craig Kressler | United States | Speed skating | 1980 Winter | |
| Róbert Kresťanko | Slovakia | Bobsleigh | 2002 Winter, 2006 Winter | |
| Anastassiya Krestova | Kazakhstan | Short track speed skating | 2018 Winter | |
| Peter Kretauer | Austria | Luge | 1968 Winter | |
| Kelly Kretschman | United States | Softball | 2004 Summer, 2008 Summer | |
| Betty Kretschmer | Chile | Athletics | 1948 Summer | |
| Horst-Peter Kretschmer | West Germany | Ice hockey | 1980 Winter, 1988 Winter | |
| Jürgen Kretschmer | East Germany | Canoe slalom | 1972 Summer | |
| Peter Kretschmer | Germany | Canoe sprint | 2012 Summer, 2024 Summer | |
| Amélie Kretz | Canada | Triathlon | 2016 Summer, 2020 Summer | |
| Jean-Marie Kretz | France | Weightlifting | 1984 Summer | |
| Stefan Kretzschmar | Germany | Handball | 1996 Summer, 2000 Summer, 2004 Summer | |
| Waltraud Kretzschmar | East Germany | 1976 Summer, 1980 Summer | |
| Lena Kreundl | Austria | Swimming | 2016 Summer, 2024 Summer | |
| Lex van Kreuningen | Netherlands | Road cycling | 1960 Summer | |
| Karl Kreutzberg | Germany | Handball | 1936 Summer | |
| Daniel Kreutzer | Ice hockey | 2002 Winter, 2006 Winter | |
| Daniel Kreutzfeldt | Denmark | Track cycling | 2008 Summer | |
| Chiara Kreuzer | Austria | Ski jumping | 2014 Winter, 2018 Winter | |
| Hans-Ueli Kreuzer | Switzerland | Cross country skiing | 1972 Winter, 1976 Winter, 1980 Winter | |
| Hermann Kreuzer | Germany | Rugby | 1900 Summer | |
| Oscar Kreuzer | Tennis | 1908 Summer, 1912 Summer | |
| Roman Kreuziger | Czech Republic | Road cycling | 2008 Summer, 2012 Summer | |
| Tobias Kreuzmann | Germany | Water polo | 2004 Summer, 2008 Summer | |
| Ivan Krevs | Yugoslavia | Athletics | 1936 Summer | |
| Yuliya Krevsun | Ukraine | 2008 Summer, 2012 Summer | |
| Justin Krewson | United States | Luge | 2018 Winter | |
| Vitold Kreyer | Soviet Union | Athletics | 1956 Summer, 1960 Summer, 1964 Summer | |
| Janusz Krężelok | Poland | Cross country skiing | 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter | |
| Leslie Krichko | United States | 1980 Winter, 1988 Winter | |
| Frank Krick | Canoe sprint | 1952 Summer, 1956 Summer | |
| Peter Krick | West Germany | Figure skating | 1968 Winter | |
| Tobias Krick | Germany | Volleyball | 2024 Summer | |
| Jaroslav Křička | Czechoslovakia | Art competitions | 1932 Summer, 1936 Summer | |
| Dieter Krickow | Germany | Modern pentathlon | 1960 Summer | |
| Sepp Kriechbaum | Austria | Ice hockey | 1976 Winter | |
| Steffen Kriechbaum | Swimming | 1972 Summer, 1976 Summer | |
| Vincent Kriechmayr | Alpine skiing | 2018 Winter, 2022 Winter | |
| Thomas Krief | France | Freestyle skiing | 2014 Winter, 2018 Winter | |
| Lothar Krieg | West Germany | Athletics | 1976 Summer | |
| Nathalie Krieg | Switzerland | Figure skating | 1994 Winter | |
| Jan Kriege | Netherlands | Art competitions | 1928 Summer | |
| Ali Krieger | United States | Football | 2016 Summer | |
| Byron Krieger | Fencing | 1952 Summer, 1956 Summer | |
| Eric Krieger | Austria | Judo | 1996 Summer | |
| Helmut Krieger | Poland | Athletics | 1988 Summer | |
| Vítor Krieger | Brazil | Archery | 1992 Summer | |
| Steffi Kriegerstein | Germany | Canoe sprint | 2016 Summer | |
| Anton Kriel | South Africa | Badminton | 1992 Summer | |
| Marianne Kriel | Swimming | 1992 Summer, 1996 Summer | |
| Franz Krienbühl | Switzerland | Speed skating | 1968 Winter, 1976 Winter | |
| Annette Krier | Luxembourg | Artistic gymnastics | 1956 Summer | |
| Michael Krieter | Germany | Handball | 1992 Summer | |
| Evita Krievāne | Latvia | Short track speed skating | 2006 Winter | |
| Alberts Krievs | Wrestling | 1924 Summer | |
| Kristens Krīgers | Cycling BMX racing | 2024 Summer | |
| William Krigsman | Sweden | Athletics | 1912 Summer | |
| Kees Krijgh Sr. | Netherlands | Football | 1948 Summer | |
| Anton Krijgsman | Track cycling | 1920 Summer | |
| Jaap Krijtenburg | Rowing | 1992 Summer | |
| Aigars Kriķis | Soviet Union | Luge | 1976 Winter, 1980 Winter | |
| Anatoli Krikun | Basketball | 1968 Summer | |
| Artyom Krikunov | Kazakhstan | Speed skating | 2018 Winter | |
| Gerhard Krimbacher | Austria | Shooting | 1976 Summer, 1984 Summer | |
| Khadija Krimi | Tunisia | Rowing | 2016 Summer, 2020 Summer, 2024 Summer | |
| Sebastian Krimmer | Germany | Artistic gymnastics | 2012 Summer | |
| Gøril Kringen | Norway | Football | 2000 Summer | |
| Doresia Krings | Austria | Snowboarding | 2006 Winter, 2010 Winter | |
| Heidi Krings | 2006 Winter | |
| Marcela Krinke-Susmelj | Switzerland | Equestrian dressage | 2016 Summer | |
| Justin Kripps | Canada | Bobsleigh | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Guillermo Krips | Netherlands Antilles | Football | 1952 Summer | |
| Smaisuk Krisansuwan | Thailand | Track cycling | 1964 Summer | |
| Friedrich Krischan | Austria | Cross country skiing | 1952 Winter | |
| Roy Krishna | Fiji | Football | 2016 Summer | |
| Ganapathi Krishnan | India | Athletics | 2016 Summer | |
| Rajeev Bala Krishnan | 2000 Summer | |
| Ramesh Krishnan | Tennis | 1992 Summer | |
| Tambusamy Krishnan | Malaysia | Athletics | 1968 Summer, 1972 Summer | |
| V. Krishnasamy | Football | 1972 Summer | |
| J. Krishnaswamy | India | 1956 Summer | |
| Dimants Krišjānis | Soviet Union | Rowing | 1980 Summer | |
| Dzintars Krišjānis | 1980 Summer | |
| Günter Krispel | Austria | Bobsleigh | 1984 Winter | |
| Grigory Kriss | Soviet Union | Fencing | 1964 Summer, 1968 Summer, 1972 Summer | |
| Péter Kristály | Hungary | Alpine skiing | 1992 Winter | |
| Marijan Kristan | Yugoslavia | Ice hockey | 1964 Winter | |
| Robert Kristan | Slovenia | 2014 Winter | |
| Boris Kristančič | Yugoslavia | Basketball | 1960 Summer | |
| Axel Kristensen [ Wikidata ] | Denmark | Shooting | 1900 Summer | |
| Berit Kristensen | Handball | 2012 Summer | |
| Dorrit Kristensen | Swimming | 1960 Summer | |
| Eivin Kristensen | Rowing | 1952 Summer | |
| Emil Kristensen | Ice hockey | 2022 Winter | |
| Harry Kristensen | Athletics | 1952 Summer | |
| Lennie Kristensen | Cycling mountain bike | 1996 Summer | |
| Niels Kristensen | Rowing | 1952 Summer | |
| Preben Lundgren Kristensen | Track cycling | 1952 Summer | |
| Thor Kristensen | Rowing | 2004 Summer | |
| Tommy Kristensen | Athletics | 1960 Summer, 1964 Summer | |
| Margit Kristian | Yugoslavia | Fencing | 1936 Summer | |
| Arnfinn Kristiansen | Norway | Bobsleigh | 1998 Winter, 2002 Winter | |
| Arthur Kristiansen | Ice hockey | 1952 Winter | |
| Beate Kristiansen | Sailing | 2004 Summer | |
| Egil Kristiansen | Cross country skiing | 1994 Winter | |
| Elin Kristiansen | Biathlon | 1992 Winter, 1994 Winter | |
| Erik Kristiansen | Ice hockey | 1984 Winter, 1988 Winter, 1992 Winter, 1994 Winter | |
| Erling Kristiansen | Road cycling | 1948 Summer, 1952 Summer | |
| Flemming Kristiansen | Denmark | Field hockey | 1960 Summer | |
| Gustav Kristiansen | Norway | Road cycling | 1928 Summer | |
| Ingolf Kristiansen | Rowing | 1964 Summer | |
| Ingrid Kristiansen | Athletics | 1984 Summer, 1988 Summer | |
| Jan Kristiansen | Speed skating | 1956 Winter | |
| Jesper Thusgård Kristiansen | Denmark | Rowing | 1992 Summer | |
| Kristine Kristiansen | Norway | Alpine skiing | 1998 Winter | |
| Per-Arne Kristiansen | Ice hockey | 1984 Winter | |
| Stig Kristiansen | Road cycling | 1992 Summer | |
| Tommy Kristiansen | Ice hockey | 2018 Winter | |
| Tonje Kristiansen | Sailing | 1992 Summer | |
| Truls Kristiansen | Ice hockey | 1988 Winter | |
| Veronica Kristiansen | Handball | 2016 Summer, 2020 Summer, 2024 Summer | |
| Dagný Linda Kristjánsdóttir | Iceland | Alpine skiing | 2002 Winter, 2006 Winter | |
| Guðrún Kristjánsdóttir | 1988 Winter | |
| Kolbrún Ýr Kristjánsdóttir | Swimming | 2000 Summer, 2004 Summer | |
| Broddi Kristjánsson | Badminton | 1992 Summer | |
| Einar Kristjánsson | Alpine skiing | 1956 Winter | |
| Jón Kristjánsson | Cross country skiing | 1952 Winter, 1956 Winter | |
| Kári Kristjánsson | Handball | 2012 Summer | |
| Logi Jes Kristjánsson | Swimming | 1996 Summer | |
| Matthías Kristjánsson | Cross country skiing | 1952 Winter | |
| Stefán Kristjánsson | Alpine skiing | 1952 Winter, 1956 Winter | |
| Alan Kristmanson | Canada | Basketball | 1988 Summer | |
| Katalin Kristó | Romania | Short track speed skating | 2002 Winter, 2006 Winter, 2010 Winter | |
| Katarina Krišto | Croatia | Judo | 2024 Summer | |
| Michal Krištof | Slovakia | Ice hockey | 2018 Winter, 2022 Winter | |
| Alexander Kristoff | Norway | Road cycling | 2012 Summer | |
| Larry Kristoff | United States | Wrestling | 1964 Summer, 1968 Summer | |
| Henrik Kristoffersen | Norway | Alpine skiing | 2014 Winter, 2018 Winter, 2022 Winter | |
| Marthe Kristoffersen | Cross country skiing | 2010 Winter | |
| Thorleif Kristoffersen | Sailing | 1920 Summer | |
| Torbjørn Kristoffersen | Artistic gymnastics | 1920 Summer | |
| Willy Kristoffersen | Denmark | Field hockey | 1960 Summer | |
| Claudia Kristofics-Binder | Austria | Figure skating | 1976 Winter, 1980 Winter | |
| Zsolt Kriston | Hungary | Table tennis | 1988 Summer | |
| Natalya Kritinina | Uzbekistan | Swimming | 2020 Summer | |
| Alvin Kritschmann [ Wikidata ] | United States | Artistic gymnastics | 1904 Summer | |
| Arn Kritsky | Weightlifting | 1984 Summer, 1988 Summer | |
| Kanokwan Krittakom | Thailand | Shooting | 1984 Summer | |
| Boris Kriunov | Soviet Union | Athletics | 1960 Summer | |
| Tomáš Křivánek | Czechoslovakia | Canoe sprint | 1988 Summer | |
| Aleksandr Krivchinkov | Russia | Athletics | 2004 Summer | |
| Rick Krivda | United States | Baseball | 2000 Summer | |
| Günter Krivec | Germany | Athletics | 1964 Summer | |
| Svetlana Krivelyova | Unified Team, Russia | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Aleksey Kriventsov | Belarus | Swimming | 1996 Summer | |
| Milorad Krivokapić | Yugoslavia | Water polo | 1980 Summer, 1984 Summer | |
| Radivoje Krivokapić | Handball | 1976 Summer | |
| Sergei Krivokrasov | Russia | Ice hockey | 1998 Winter | |
| Mikhail Krivonosov | Soviet Union | Athletics | 1952 Summer, 1956 Summer | |
| Elena Krivonosova | Ukraine | Volleyball | 1996 Summer | |
| Antonina Krivoshapka | Russia | Athletics | 2012 Summer | |
| Yelena Krivoshey | Rhythmic gymnastics | 1996 Summer | |
| Andrey Krivosheyev | Speed skating | 1998 Winter | |
| Olga Krivosheyeva | Soviet Union | Volleyball | 1988 Summer | |
| Denis Krivoshlykov | Russia | Handball | 2000 Summer, 2004 Summer, 2008 Summer | |
| Andrey Krivov | Athletics | 2012 Summer | |
| Dmytro Krivtsov | Ukraine | Road cycling | 2012 Summer | |
| Vladimir Krivtsov | Soviet Union | Swimming | 1972 Summer | |
| Yuriy Krivtsov | Ukraine | Road cycling | 2004 Summer | |
| Denis Krivushkin | Kazakhstan | Cross country skiing | 2002 Winter, 2006 Winter | |
| Sergey Kriyanin | Russia | 1998 Winter, 2002 Winter | |
| Antonín Kříž | Czechoslovakia | Track cycling | 1964 Summer | |
| Antonín Kříž | Biathlon | 1976 Winter | |
| Claudia Kriz | West Germany | Archery | 1988 Summer | |
| Frank Kriz | United States | Artistic gymnastics | 1920 Summer, 1924 Summer, 1928 Summer | |
| František Kříž | Bohemia, Czechoslovakia | Fencing | 1912 Summer, 1928 Summer | |
| Günther Kriz | Austria | Track cycling | 1960 Summer | |
| Jaroslav Kříž | Czechoslovakia | Judo | 1980 Summer | |
| Josef Kříž | Art competitions | 1936 Summer | |
| Ladislav Kříž | Athletics | 1972 Summer | |
| Andrej Križaj | Slovenia | Alpine skiing | 2010 Winter | |
| Bojan Križaj | Yugoslavia | 1976 Winter, 1980 Winter, 1984 Winter | |
| Gabriel Križan | Slovakia | Boxing | 1996 Summer | |
| Karol Križan | Ice hockey | 2006 Winter | |
| Tina Križan | Slovenia | Tennis | 1992 Summer, 2000 Summer, 2004 Summer | |
| Konstantin Krizhevsky | Soviet Union | Football | 1952 Summer | |
| Ľuboš Križko | Slovakia | Swimming | 2004 Summer, 2008 Summer | |
| Tomislav Krizmanić | Yugoslavia | Boxing | 1952 Summer | |
| János Krizmanich | Hungary | Artistic gymnastics | 1912 Summer | |
| Denisa Křížová | Czech Republic | Ice hockey | 2022 Winter | |
| Eva Křížová | Czechoslovakia | Basketball | 1988 Summer | |
| Jiřina Křížová | Field hockey | 1980 Summer | |
| Klára Křížová | Czech Republic | Alpine skiing | 2010 Winter, 2014 Winter | |
| János Krizsán | Hungary | Equestrian eventing | 1972 Summer | |
| Xénia Krizsán | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Miran Krmelj | Yugoslavia | Ice hockey | 1964 Winter | |
| Ivona Krmelová | Czechoslovakia | Artistic gymnastics | 1988 Summer | |
| David Krmpotich | United States | Rowing | 1988 Summer | |
| Jozef Krnáč | Slovakia | Judo | 2004 Summer | |
| Mikuláš Krnáč | Czechoslovakia | Football | 1968 Summer | |
| Martin Krňávek | Czech Republic | Triathlon | 2000 Summer, 2004 Summer | |
| Ante Krnčević | Yugoslavia | Rowing | 1936 Summer | |
| Daniel Krnćević | 1948 Summer | |
| Stipe Krnčević | 1936 Summer, 1948 Summer | |
| Sara Krnjić | Serbia | Basketball | 2016 Summer | |
| Rabod von Kröcher | Germany | Equestrian jumping | 1912 Summer | |
| Alexander Kröckel | Skeleton | 2014 Winter | |
| Max Kröckel | Nordic combined | 1928 Winter | |
| Peter von Krockow | Fencing | 1960 Summer | |
| Georg Kröder [ Wikidata ] | Austria | Rowing | 1912 Summer | |
| Tim Kroeker | Canada | Athletics | 1996 Summer | |
| Evert Kroes | Netherlands | Rowing | 1972 Summer, 1976 Summer | |
| Hans Kroes | Swimming | 1984 Summer, 1988 Summer | |
| Jolanda Kroesen | Softball | 2008 Summer | |
| Alois Krof | Czechoslovakia | Athletics | 1928 Summer | |
| Wim van der Kroft | Netherlands | Canoe sprint | 1936 Summer, 1948 Summer, 1952 Summer | |
| Georg Krog | Norway | Speed skating | 1936 Winter | |
| Georg Krog | United States | Nordic combined | 1968 Winter | |
| Magnus Krog | Norway | 2014 Winter | |
| Gunnar Kroge | Ice hockey | 1952 Winter | |
| Mieke Kröger | Germany | Track cycling, Road cycling | 2016 Summer, 2020 Summer, 2024 Summer | |
| Thomas Kröger | Volleyball | 2008 Summer | |
| Erwin Kroggel | Fencing | 1952 Summer | |
| Andreas Krogh | Norway | Figure skating | 1920 Summer | |
| Børge Krogh | Denmark | Boxing | 1960 Summer, 1964 Summer | |
| Finn Hågen Krogh | Norway | Cross country skiing | 2018 Winter | |
| Gitte Krogh | Denmark | Football | 1996 Summer | |
| Morten Krogh | Norway | Fencing | 1972 Summer | |
| Otto Krogh | Rowing | 1908 Summer, 1912 Summer | |
| Trine Krogh | Swimming | 1972 Summer | |
| Ernst Krogius | Finland | Sailing | 1912 Summer | |
| Georg Krogmann | Germany | Football | 1912 Summer | |
| Werner Krogmann | Sailing | 1936 Summer, 1952 Summer | |
| Karsten Krogner | Denmark | Shooting | 1988 Summer | |
| André Krogsæter | Norway | Football | 1984 Summer | |
| Jørn Krogsgaard | Denmark | Wrestling | 1972 Summer | |
| Christina Krogshede | Handball | 2012 Summer | |
| Alfred Krohn | Germany | Rowing | 1928 Summer | |
| Jasmin Krohn | Sweden | Speed skating | 1988 Winter, 1992 Winter, 1994 Winter | |
| Gustav Krojer | Austria | Athletics | 1912 Summer | |
| Lyudmila Krokhina | Soviet Union | Rowing | 1976 Summer | |
| Terje Krokstad | Norway | Biathlon | 1980 Winter, 1984 Winter | |
| Sven Krokström | Sweden | Athletics | 1920 Summer | |
| Aleksandra Król-Walas | Poland | Snowboarding | 2014 Winter, 2018 Winter, 2022 Winter | |
| Leendert Krol | Netherlands | Field hockey | 1964 Summer | |
| Nataliya Krol | Ukraine | Athletics | 2016 Summer | |
| Petr Krol | Czechoslovakia | Weightlifting | 1992 Summer | |
| Thomas Krol | Netherlands | Speed skating | 2022 Winter | |
| Wiesław Król | Poland | Athletics | 1960 Summer | |
| Władysław Król | Ice hockey | 1936 Winter | |
| Yuliya Krol | Ukraine | Cross country skiing | 2022 Winter | |
| Kinga Królik | Poland | Athletics | 2024 Summer | |
| Adam Królikiewicz | Equestrian jumping | 1924 Summer | |
| Jolanta Królikowska | Fencing | 1980 Summer, 1988 Summer | |
| Sylwester Królikowski | 1976 Summer | |
| Klaus Kröll | Austria | Alpine skiing | 2006 Winter, 2010 Winter, 2014 Winter | |
| Sylvio Kroll | East Germany, Germany | Artistic gymnastics | 1988 Summer, 1992 Summer | |
| F. Kroly [ Wikidata ] | Yugoslavia | Art competitions | 1924 Summer | |
| Peer Krom | Netherlands | Football | 1924 Summer | |
| Mariam Kromah | Liberia | Athletics | 2016 Summer | |
| Jean Krombach | Luxembourg | 1936 Summer | |
| Fritz Krombholz [ Wikidata ] | Austria | Rowing | 1912 Summer | |
| Otto Krombholz | Czechoslovakia | Football | 1924 Summer | |
| Jeff Kromenhoek | Virgin Islands | Bobsleigh | 1998 Winter | |
| Daniella Kromm | Germany | Rhythmic gymnastics | 2024 Summer | |
| Robert Kromm | Volleyball | 2008 Summer | |
| Guillaume Krommenhoek | Netherlands | Rowing | 2020 Summer | |
| Vassilis Krommidas | Greece | Triathlon | 2000 Summer, 2004 Summer | |
| Ranomi Kromowidjojo | Netherlands | Swimming | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Wolfgang Kromp | Austria | Ice hockey | 1994 Winter, 1998 Winter, 2002 Winter | |
| Zbyněk Krompolc | Czech Republic | Ski jumping | 1994 Winter | |
| Robert Kronberg | Sweden | Athletics | 2000 Summer, 2004 Summer | |
| Petra Kronberger | Austria | Alpine skiing | 1988 Winter, 1992 Winter | |
| Anni Kronbichler | 1984 Winter | |
| Kristin Krone | United States | 1988 Winter, 1992 Winter | |
| Ștefan Kroner | Romania | Water polo | 1960 Summer, 1964 Summer | |
| Ludwig Kronfuß | Austria | Speed skating | 1976 Winter | |
| Aloisie Krongeigerová | Czechoslovakia | Diving | 1924 Summer | |
| Alfred Kronig | Switzerland | Cross country skiing | 1952 Winter, 1956 Winter | |
| Victor Kronig | 1956 Winter | |
| Annegret Kroniger | West Germany | Athletics | 1972 Summer, 1976 Summer | |
| Carl August Kronlund | Sweden | Curling | 1924 Winter | |
| Andreas Kronthaler | Austria | Shooting | 1984 Summer | |
| Niklas Kronwall | Sweden | Ice hockey | 2006 Winter, 2010 Winter, 2014 Winter | |
| Staffan Kronwall | 2018 Winter | |
| Karl Krook | Tug of war | 1908 Summer | |
| Stefan Krook | Sailing | 1972 Summer | |
| Sari Krooks | Finland | Ice hockey | 1998 Winter | |
| Evert Kroon | Netherlands | Water polo | 1968 Summer, 1972 Summer, 1976 Summer | |
| Evert Johan Kroon | Netherlands Antilles | Swimming | 1984 Summer | |
| Karsten Kroon | Netherlands | Road cycling | 2004 Summer, 2008 Summer | |
| Ron Kroon | Swimming | 1960 Summer, 1964 Summer | |
| Jacob Krop | Kenya | Athletics | 2024 Summer | |
| Kazimierz Kropidłowski | Poland | 1956 Summer, 1960 Summer | |
| Stanislav Kropilák | Czechoslovakia | Basketball | 1976 Summer, 1980 Summer | |
| Antun Kropivšek | Yugoslavia | Artistic gymnastics | 1952 Summer | |
| Elli von Kropiwnicki | Austria | Swimming | 1936 Summer | |
| Chris Kropman | Netherlands | Track cycling | 1936 Summer | |
| Lesław Kropp | Poland | Wrestling | 1960 Summer | |
| Klaus Kröppelien | East Germany | Rowing | 1980 Summer | |
| Michelle Kroppen | Germany | Archery | 2020 Summer, 2024 Summer | |
| Bernd Kroschewski | Snowboarding | 1998 Winter | |
| Gerhard Kroschewski | West Germany | Rowing | 1976 Summer | |
| Gašper Krošelj | Slovenia | Ice hockey | 2018 Winter | |
| Ján Krošlák | Slovakia | Tennis | 1996 Summer | |
| Georges Krotoff | France | Athletics | 1928 Summer | |
| Pavel Krotov | Russia, Russian Olympic Committee | Freestyle skiing | 2014 Winter, 2018 Winter | |
| Youssef Krou [ Wikidata ] | France | Beach volleyball | 2024 Summer | |
| Ota Kroutil | Czechoslovakia | Canoe sprint | 1948 Summer, 1952 Summer | |
| Marta Kroutilová | 1952 Summer | |
| Viktor Krovopuskov | Soviet Union | Fencing | 1976 Summer, 1980 Summer | |
| Franz Kröwerath | Germany | Rowing | 1900 Summer | |
| Sergeý Krowýakow | Turkmenistan | Swimming | 2012 Summer | |
| Dmitry Kroyter | Israel | Athletics | 2016 Summer | |
| Lukáš Krpálek | Czech Republic | Judo | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Matěj Krsek | Athletics | 2024 Summer | |
| Janež Kršinar | Yugoslavia | Cross country skiing | 1984 Winter, 1988 Winter | |
| Miloš Krško | Slovakia | Football | 2000 Summer | |
| Nataša Krsmanović | Serbia | Volleyball | 2008 Summer, 2012 Summer | |
| Petar Krsmanović | 2024 Summer | |
| Dobrosav Krstić | Yugoslavia | Football | 1956 Summer | |
| Mirjana Krstić | Handball | 1988 Summer | |
| Nenad Krstić | Serbia and Montenegro | Basketball | 2004 Summer | |
| Vladimir Krstić | Yugoslavia | Rowing | 1980 Summer | |
| Mišo Krstičević | Football | 1980 Summer | |
| Duje Krstulović | Basketball | 1980 Summer | |
| Sinphet Kruaithong | Thailand | Weightlifting | 2016 Summer | |
| Elena Kruchinkina | Belarus | Biathlon | 2022 Winter | |
| Sabrina Kruck | Germany | Ice hockey | 2002 Winter, 2006 Winter | |
| Carl Kruckenberg | Sweden | Equestrian dressage | 1912 Summer | |
| Ferenc Krucsó | Hungary | Equestrian jumping | 1980 Summer | |
| Łukasz Kruczek | Poland | Ski jumping | 1998 Winter | |
| Józef Krudowski | Art competitions | 1932 Summer | |
| Casey Krueger | United States | Football | 2020 Summer, 2024 Summer | |
| John-Henry Krueger | United States, Hungary | Short track speed skating | 2018 Winter, 2022 Winter | |
| Brooke Krueger-Billett | Australia | Athletics | 2004 Summer | |
| Barbara Krug | East Germany | 1980 Summer | |
| Cassidy Krug | United States | Diving | 2012 Summer | |
| Han Krug | Netherlands | Art competitions | 1936 Summer | |
| Heinrich Krug | Germany | Water polo | 1936 Summer | |
| Herbert Krug | West Germany | Equestrian dressage | 1984 Summer | |
| John Krug [ Wikidata ] | United States | Wrestling | 1908 Summer | |
| Raymond Krug | France | Football | 1948 Summer | |
| Alfred Kruger | United States | Athletics | 2004 Summer, 2008 Summer, 2012 Summer | |
| Alex Kruger | Great Britain | 1988 Summer, 1996 Summer | |
| Anja Krüger | Germany | Handball | 1992 Summer | |
| Arnd Krüger | West Germany | Athletics | 1968 Summer | |
| Camilla Kruger | Zimbabwe | Equestrian eventing | 2016 Summer | |
| Carlyn Kruger | Canada | Alpine skiing | 1956 Winter | |
| Charles Krüger | Luxembourg | Football | 1920 Summer | |
| Eduard Krüger | Germany | Equestrian jumping | 1928 Summer | |
| Eduard Krüger | Art competitions | 1936 Summer | |
| Eric Krüger | Athletics | 2012 Summer | |
| Frantz Kruger | South Africa, Finland | 2000 Summer, 2004 Summer, 2008 Summer | |
| Hannah Krüger | Germany | Field hockey | 2016 Summer | |
| Hans-Jörg Krüger | West Germany | Basketball | 1972 Summer | |
| Harold Kruger | United States | Swimming | 1920 Summer | |
| Hartmut Krüger | East Germany | Handball | 1980 Summer | |
| Jarogniew Krüger | Poland | Sailing | 1980 Summer | |
| Joannette Kruger | South Africa | Tennis | 1996 Summer | |
| Jürgen Krüger | East Germany | Swimming | 1972 Summer | |
| Jutta Krüger | Germany | Athletics | 1952 Summer | |
| Karl-Heinz Krüger | East Germany | Boxing | 1980 Summer | |
| Katrin Krüger | Handball | 1980 Summer | |
| Luise Krüger | Germany | Athletics | 1936 Summer | |
| Marcus Krüger | Sweden | Ice hockey | 2014 Winter, 2022 Winter | |
| Nadia Krüger | Switzerland | Swimming | 1984 Summer | |
| Simen Hegstad Krüger | Norway | Cross country skiing | 2018 Winter, 2022 Winter | |
| Stephan Krüger | Germany | Rowing | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Tiffany Kruger | South Africa | Canoe sprint | 2012 Summer, 2024 Summer | |
| Walter Krüger | Germany | Athletics | 1960 Summer | |
| Nikolay Kruglov | Soviet Union | Biathlon | 1976 Winter | |
| Nikolay Kruglov Jr. | Russia | 2006 Winter, 2010 Winter | |
| Sergei Kruglov | Shooting | 2008 Summer | |
| Sergey Kruglov | Unified Team, Russia | Bobsleigh | 1992 Winter, 1994 Winter | |
| Larisa Kruglova | Russia | Athletics | 2004 Summer | |
| Yelena Kruglova | Soviet Union | Swimming | 1980 Summer | |
| Oleksiy Kruhliak | Ukraine | Fencing | 2000 Summer | |
| Robin de Kruijf | Netherlands | Volleyball | 2016 Summer | |
| Gerard de Kruijff | Equestrian eventing, Equestrian jumping | 1924 Summer, 1928 Summer | |
| Steven Kruijswijk | Road cycling | 2016 Summer | |
| Marcel Kruijt [ Wikidata ] | Baseball | 1996 Summer | |
| François van Kruisdijk | Swimming | 1972 Summer | |
| Gerrit Kruize | United States | Field hockey | 1956 Summer | |
| Hans Kruize | Netherlands | 1976 Summer, 1984 Summer | |
| Hidde Kruize | 1984 Summer, 1988 Summer | |
| Roepie Kruize | 1948 Summer, 1952 Summer | |
| Ties Kruize | 1972 Summer, 1984 Summer | |
| Petro Kruk | Ukraine | Canoe sprint | 2008 Summer | |
| Pieter van der Kruk | Netherlands | Weightlifting | 1968 Summer | |
| Andrejs Krūkliņš | Russia | Athletics | 1912 Summer | |
| Arnolds Krūkliņš | Latvia | 1936 Summer | |
| Andrei Krukov | Kazakhstan | Figure skating | 1998 Winter | |
| Daniela Krukower | Argentina | Judo | 2000 Summer, 2004 Summer, 2008 Summer | |
| Jacek Krukowski | Poland | Equestrian eventing | 1992 Summer | |
| Marcin Krukowski | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Huiberdina Krul | Netherlands | Artistic gymnastics | 1952 Summer | |
| Harald Krüll | West Germany | Ice hockey | 1980 Winter | |
| Reinhard Krull | Field hockey | 1984 Summer | |
| Dita Krūmberga | Latvia | Basketball | 2008 Summer | |
| Gerda Krūmiņa | Biathlon | 2006 Winter, 2010 Winter | |
| Edgars Krūmiņš | 3x3 basketball | 2020 Summer | |
| Jānis Krūmiņš | Soviet Union | Basketball | 1956 Summer, 1960 Summer, 1964 Summer | |
| Susan Krumins | Netherlands | Athletics | 2016 Summer, 2020 Summer | |
| Petar Krumov | Bulgaria | Wrestling | 1968 Summer | |
| Yanko Shopov | 1976 Summer, 1980 Summer | |
| Yanko Radanchev | Artistic gymnastics | 1980 Summer | |
| Paul Krumpe | United States | Football | 1988 Summer | |
| Matevž Krumpestar [ Wikidata ] | Slovenia | Archery | 1996 Summer | |
| Heinrich Krumpfholz | Austria | Water polo | 1952 Summer | |
| J. W. Krumpholz | United States | 2008 Summer | |
| Normand Krumpschmid | Austria | Ice hockey | 1998 Winter | |
| Robert Krünert | Germany | Fencing | 1908 Summer | |
| Edvinas Krungolcas | Lithuania | Modern pentathlon | 2004 Summer, 2008 Summer | |
| Aleksandra Krunić | Serbia | Tennis | 2016 Summer, 2020 Summer | |
| Dawid Krupa | Poland | Road cycling | 2004 Summer | |
| Krystyna Krupa | Volleyball | 1964 Summer, 1968 Summer | |
| Stefania Krupa | Artistic gymnastics | 1936 Summer | |
| Edin Krupalija | Bosnia and Herzegovina | Bobsleigh | 1998 Winter | |
| Tomáš Krupčík | Czech Republic | Biathlon | 2014 Winter | |
| Simona Krupeckaitė | Lithuania | Track cycling | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Rudolf Krupitzer [ Wikidata ] | United States | Artistic gymnastics | 1904 Summer | |
| Pavel Krupko | Soviet Union | Rowing | 1988 Summer | |
| Aleksey Krupnyakov | Kyrgyzstan | Wrestling | 2004 Summer, 2008 Summer | |
| Mykola Krupnyk | Ukraine | Biathlon | 1998 Winter | |
| Alfried Krupp von Bohlen und Halbach | Germany | Sailing | 1936 Summer | |
| Björn Krupp | Ice hockey | 2018 Winter | |
| Uwe Krupp | 1998 Winter | |
| Jens Kruppa | Swimming | 2000 Summer, 2004 Summer | |
| William Kruppinger [ Wikidata ] | United States | Artistic gymnastics | 1904 Summer | |
| Illya Krupskyi | Ukraine | Football | 2024 Summer | |
| Marek Kruś | Poland | Field hockey | 1972 Summer | |
| Albert Kruschel | United States | Road cycling | 1912 Summer | |
| Alexander Kruse | Art competitions | 1932 Summer | |
| Georg Kruse | Denmark | Boxing | 1920 Summer | |
| Günther Kruse | Argentina | Athletics | 1956 Summer | |
| Jörgen Kruse | Sweden | Bobsleigh | 1994 Winter | |
| Max Kruse | Germany | Football | 2020 Summer | |
| Pam Kruse | United States | Swimming | 1968 Summer | |
| Richard Kruse | Great Britain | Fencing | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Sönke Kruse [ Wikidata ] | Germany | Rowing | 2024 Summer | |
| Alexander Krushelnitskiy | Russian Olympic Committee | Curling | 2018 Winter | |
| Rudolf Kruspel | Austria | Diving | 1972 Summer | |
| Richard Krust | West Germany | Archery | 1972 Summer | |
| Sławomir Kruszkowski | Poland | Rowing | 2000 Summer, 2004 Summer, 2008 Summer | |
| Oldřich Kruták | Czechoslovakia | 1972 Summer | |
| Mikhail Krutikov | Russia | Sailing | 2000 Summer, 2004 Summer | |
| Vladimir Krutov | Soviet Union | Ice hockey | 1980 Winter, 1984 Winter, 1988 Winter | |
| Ninel Krutova | Diving | 1952 Summer, 1956 Summer, 1960 Summer | |
| Diana Krutskikh | Russia | Sailing | 2004 Summer, 2008 Summer | |
| Vladimir Krutskikh | 2000 Summer, 2004 Summer | |
| Eszter Krutzler | Hungary | Weightlifting | 2004 Summer | |
| Heino Kruus | Soviet Union | Basketball | 1952 Summer | |
| Herman Kruusenberg | Estonia | Wrestling | 1920 Summer | |
| Krista Kruuv | Sailing | 1992 Summer, 1996 Summer | |
| Hans Kruyt | Netherlands | Rowing | 1928 Summer | |
| Josef Kruz | Czechoslovakia | Shooting | 1924 Summer | |
| Jerzy Kruża | Poland | Artistic gymnastics | 1968 Summer, 1972 Summer | |
| Roberts Krūzbergs [ Wikidata ] | Latvia | Short track speed skating | 2022 Winter | |
| Ondrej Kružel | Slovakia | Weightlifting | 2016 Summer | |
| Aleksandr Kruzhilov | Belarus | Artistic gymnastics | 2000 Summer | |
| Oleg Kryazhev | Kazakhstan | Ice hockey | 1998 Winter | |
| Kelly Kryczka | Canada | Artistic swimming | 1984 Summer | |
| Kiana Kryeziu | Kosovo | Alpine skiing | 2022 Winter | |
| Vijona Kryeziu | Athletics | 2016 Summer | |
| Włodzimierz Krygier | Poland | Ice hockey | 1928 Winter, 1932 Winter | |
| Yuliya Krygina | Kazakhstan | Alpine skiing | 1998 Winter | |
| Oleksandr Krykun | Ukraine | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Andrey Krylov | Soviet Union | Swimming | 1976 Summer, 1980 Summer | |
| Andrey Krylov | Russia | 2008 Summer | |
| Vladimir Krylov | Soviet Union | Athletics | 1988 Summer | |
| Yuri Krylov | Ice hockey | 1956 Winter | |
| Anjelika Krylova | Russia | Figure skating | 1994 Winter, 1998 Winter | |
| Lidiya Krylova | Soviet Union | Rowing | 1976 Summer | |
| Yuriy Krymarenko | Ukraine | Athletics | 2008 Summer | |
| Georges Kryn [ Wikidata ] | Belgium | Equestrian jumping | 1900 Summer | |
| Hubert Kryn | Bobsleigh | 1928 Winter | |
| Andrzej Kryński | Poland | Fencing | 1960 Summer | |
| Kamil Kryński | Athletics | 2012 Summer | |
| Oleg Kryoka | Ukraine | Wrestling | 2008 Summer | |
| Gennady Krysin | Soviet Union | Artistic gymnastics | 1976 Summer | |
| Elżbieta Krysińska | Poland | Athletics | 1952 Summer | |
| Dmytro Kryskiv | Ukraine | Football | 2024 Summer | |
| Josef Krysta | Czechoslovakia | Wrestling | 1976 Summer, 1980 Summer | |
| Vladimir Kryuchkov | Soviet Union | Road cycling | 1952 Summer | |
| Maria Kryuchkova | Russia | Artistic gymnastics | 2004 Summer | |
| Svetlana Valentinovna Kryuchkova | Volleyball | 2012 Summer | |
| Gennadi Kryuçkin | Soviet Union, Unified Team | Rowing | 1980 Summer, 1992 Summer | |
| Nikita Kryukov | Russia | Cross country skiing | 2010 Winter, 2014 Winter | |
| Nikolai Kryukov | Artistic gymnastics | 1996 Summer, 2000 Summer, 2008 Summer | |
| Vladimir Kryukov [ Wikidata ] | Soviet Union | Rowing | 1952 Summer, 1956 Summer | |
| Olga Kryukova | Kazakhstan | Ice hockey | 2002 Winter | |
| Pavel Kryvitski | Belarus | Athletics | 2012 Summer | |
| Tetyana Kryvobok | Ukraine | 2000 Summer | |
| Abram Kryvosheiev | Soviet Union | 1960 Summer, 1964 Summer | |
| Valeriy Kryvov | Volleyball | 1980 Summer | |
| Olena Kryvytska | Ukraine | Fencing | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Kryštof Krýzl | Czech Republic | Alpine skiing | 2006 Winter, 2010 Winter, 2014 Winter, 2022 Winter | |
| Lucas Kryzs [ Wikidata ] | France | Shooting | 2024 Summer | |
| Ančka Kržanova [ Wikidata ] | Yugoslavia | Artistic gymnastics | 1936 Summer | |
| Anna Krzemińska-Karbowiak | Poland | Rowing | 1976 Summer | |
| Kazimierz Krzemiński | Road cycling | 1924 Summer | |
| Andrzej Krzepiński | Rowing | 1988 Summer, 1992 Summer | |
| Zofia Krzeptowska | Cross country skiing | 1956 Winter | |
| Anna Krzeptowska-Żebracka | 1960 Winter | |
| Andrzej Krzeptowski | Cross country skiing, Nordic combined, Ski jumping | 1924 Winter, 1928 Winter | |
| Andrzej Krzeptowski | Cross country skiing | 1928 Winter | |
| Józef Daniel Krzeptowski | Cross country skiing, Nordic combined, Ski jumping | 1948 Winter, 1956 Winter | |
| Jan Krzesiak [ Wikidata ] | Wrestling | 1996 Summer | |
| Elżbieta Krzesińska | Athletics | 1952 Summer, 1956 Summer, 1960 Summer | |
| Adam Krzesiński | Fencing | 1992 Summer, 1996 Summer, 2000 Summer | |
| Andrzej Krzesiński | Athletics | 1960 Summer | |
| Stanisław Krzesiński | Wrestling | 1972 Summer, 1976 Summer | |
| Tomasz Krzeszewski | Table tennis | 2000 Summer, 2004 Summer | |
| Jakub Krzewina | Athletics | 2016 Summer, 2020 Summer | |
| Ognjen Kržić | Croatia | Water polo | 1996 Summer, 2000 Summer | |
| Zvonimir Krznarić | Canoe sprint | 1992 Summer | |
| Zdzisław Krzyszkowiak | Poland | Athletics | 1956 Summer, 1960 Summer | |
| Adam Krzysztofiak | Ski jumping | 1972 Winter, 1976 Winter | |
| Tadeusz Krzyżanowski | Athletics | 1952 Summer | |
| Władysław Krzyżanowski | Sailing | 1928 Summer | |
| Kazimierz Krzyżański | Canoe sprint | 1988 Summer | |
| Beáta Krzyzewsky | Hungary | Shooting | 2004 Summer | |
| Dagmara Krzyżyńska | Poland | Alpine skiing | 2006 Winter | |
| Igor Kshinin | Russia | Boxing | 1996 Summer | |
| Bożena Ksiąźek | Poland | Canoe sprint | 1988 Summer | |
| Jadwiga Książek | Volleyball | 1964 Summer, 1968 Summer | |
| Małgorzata Książkiewicz | Shooting | 1992 Summer, 1996 Summer | |
| František Kšír | Czechoslovakia | Rowing | 1936 Summer | |
| Faouzi Ksouri | Tunisia | Handball | 1972 Summer | |
| Adam Kszczot | Poland | Athletics | 2012 Summer, 2016 Summer | |
| Joseph Kszyczewski | United States | Tug of war | 1920 Summer | |