| Name | Nation | Sport | Games | Notes |
|---|
| Anne Pierre de Kat | Belgium | Art competitions | 1936 Summer | |
| Wim Kat | Netherlands | Athletics | 1924 Summer | |
| Mikio Katagiri | Japan | Alpine skiing | 1976 Winter, 1980 Winter | |
| Miyuki Katagiri | 1972 Winter | |
| Donata Katai | Zimbabwe | Swimming | 2020 Summer | |
| Erkki Kataja | Finland | Athletics | 1948 Summer, 1952 Summer | |
| Kari Kataja | Biathlon | 1992 Winter | |
| Tero Katajisto | Wrestling | 2000 Summer | |
| Ante Katalinić | Italy | Rowing | 1924 Summer | |
| Frane Katalinić | 1924 Summer | |
| Šimun Katalinić | 1924 Summer | |
| Srečko Katanec | Yugoslavia | Football | 1984 Summer, 1988 Summer | |
| Aleksandra Katanić | Serbia | Basketball | 2024 Summer | |
| Torajiro Kataoka | Japan | Water polo | 1936 Summer | |
| Shivani Kataria | India | Swimming | 2016 Summer | |
| Vandana Katariya | Field hockey | 2016 Summer, 2020 Summer | |
| Hiroshi Katayama | Japan | Football | 1964 Summer, 1968 Summer | |
| Misako Katayama | Athletics | 1964 Summer | |
| Mizuho Katayama | South Korea | Artistic swimming | 1988 Summer | |
| Raibu Katayama | Japan | Snowboarding | 2018 Winter | |
| Rie Katayama | Cycling mountain bike | 2008 Summer, 2012 Summer | |
| Shingo Katayama | Golf | 2016 Summer | |
| Takamitsu Katayama | Wrestling | 1996 Summer, 2000 Summer | |
| Tatsuki Katayama | Ice hockey | 1998 Winter | |
| Toshikazu Katayama | Figure skating | 1936 Winter | |
| Serguei Katchiourine | Kyrgyzstan | Fencing | 2008 Summer | |
| Gyula Káté | Hungary | Boxing | 2004 Summer, 2008 Summer, 2012 Summer | |
| Marti ten Kate | Netherlands | Athletics | 1988 Summer | |
| Evans Katebe | Zambia | Football | 1980 Summer | |
| Kennedy Katende | Sweden, Uganda | Boxing | 2008 Summer, 2016 Summer | |
| Klaus Kater | West Germany | Handball | 1972 Summer | |
| Supanida Katethong | Thailand | Badminton | 2024 Summer | |
| Renata Katewicz | Poland | Athletics | 1988 Summer, 1996 Summer | |
| Klaus Kathan | Germany | Ice hockey | 2002 Winter, 2006 Winter | |
| Apostolos Kathiniotis | Greece | Athletics | 1976 Summer | |
| Kátia Cilene | Brazil | Football | 1996 Summer, 2000 Summer | |
| Buila Katiavala | Angola | Basketball | 2000 Summer | |
| Sugiono Katijo | Indonesia | Weightlifting | 1992 Summer | |
| Büşra Katipoğlu | Turkey | Judo | 2016 Summer | |
| Mohamed Katir | Spain | Athletics | 2020 Summer | |
| Aliaksei Katkavets | Belarus | 2020 Summer | |
| Pál Katkó | Hungary | Shooting | 1972 Summer | |
| Ekaterina Katnikova | Russian Olympic Committee | Luge | 2022 Winter | |
| Akemi Kato | Japan | Field hockey | 2004 Summer, 2008 Summer, 2012 Summer | |
| Daisuke Kato | Equestrian eventing | 2000 Summer | |
| Eizō Katō | Art competitions | 1936 Summer | |
| Fujiko Kato | Cross country skiing | 1968 Winter | |
| Izumi Kato | Swimming | 2012 Summer | |
| Joji Kato | Speed skating | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Junichi Kato | Rowing | 1956 Summer | |
| Kazuyo Kato | Shooting | 1976 Summer | |
| Kenzō Katō | Wrestling | 2008 Summer | |
| Kiyomi Kato | 1972 Summer | |
| Kiyomi Kato | Volleyball | 1976 Summer | |
| Masako Kato | Figure skating | 1984 Winter | |
| Masao Kato | Weightlifting | 1972 Summer | |
| Masashi Kato | Swimming | 1988 Summer, 1992 Summer | |
| Mikiko Kato | Handball | 1976 Summer | |
| Mineo Kato | Water polo | 1960 Summer, 1964 Summer | |
| Miyoshi Kato | Speed skating | 1980 Winter | |
| Nobuya Kato | Athletics | 2016 Summer | |
| Ryōhei Katō | Artistic gymnastics | 2012 Summer, 2016 Summer | |
| Sawao Katō | 1968 Summer, 1972 Summer, 1976 Summer | |
| Tadamasa Kato | Rowing | 1968 Summer | |
| Tadashi Kato | Road cycling, Track cycling | 1952 Summer | |
| Taihei Kato | Nordic combined | 2010 Winter, 2014 Winter | |
| Takahisa Kato [ Wikidata ] | Art competitions | 1936 Summer | |
| Takako Katō | Basketball | 1996 Summer | |
| Takehisa Kato | Road cycling | 1964 Summer | |
| Takeshi Katō | Artistic gymnastics | 1968 Summer | |
| Tomoe Kato | Football | 2004 Summer, 2008 Summer | |
| Yuka Kato | Swimming | 2008 Summer, 2012 Summer | |
| Yumiko Kato | Luge | 1984 Winter | |
| Yurie Kato | Triathlon | 2016 Summer | |
| David Katoatau | Kiribati | Weightlifting | 2008 Summer, 2012 Summer, 2016 Summer | |
| Ruben Katoatau | 2020 Summer | |
| Elżbieta Katolik | Poland | Athletics | 1972 Summer, 1980 Summer | |
| Eugénio Katombi | Angola | 1988 Summer | |
| András Katona | Hungary | Water polo | 1960 Summer | |
| Gábor Katona | Athletics | 1972 Summer | |
| Gyula Katona | Artistic gymnastics | 1900 Summer | |
| József Katona | Swimming | 1960 Summer, 1964 Summer | |
| Renáta Katona | Fencing | 2020 Summer | |
| Sándor Katona | Football | 1964 Summer | |
| Evarine Katongo | Zambia | 2020 Summer | |
| Jolly Katongole | Uganda | Boxing | 2004 Summer | |
| Jacob Katonon | Kenya | Athletics | 1996 Summer | |
| Marie-Antoinette Katoto | France | Football | 2024 Summer | |
| Firas Katoussi | Tunisia | Taekwondo | 2024 Summer | |
| Christos Katrantzis | Greece | Swimming | 2016 Summer | |
| Nikolaos Katravas | 1896 Summer | |
| Serge Kats | Netherlands | Sailing | 1996 Summer, 2000 Summer | |
| Ioannis Katsaidonis | Greece | Weightlifting | 1980 Summer, 1984 Summer | |
| Konstantina Katsaiti | Football | 2004 Summer | |
| Nikita Katsalapov | Russia, Russian Olympic Committee | Figure skating | 2014 Winter, 2022 Winter | |
| Prodromos Katsantonis | Cyprus | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Maryia Katsiak | Belarus | Rhythmic gymnastics | 2016 Summer | |
| Michael Katsidis | Australia | Boxing | 2000 Summer | |
| Khristodoulos Katsinioridis | Cyprus | Judo | 1992 Summer | |
| Shigetaka Katsuhisa | Japan | Water polo | 1936 Summer | |
| Hayato Katsuki | Athletics | 2020 Summer | |
| Masanori Katsumoto | Equestrian eventing | 1964 Summer | |
| Kazuo Katsuramoto | Wrestling | 1956 Summer | |
| Yuji Katsuro | Nordic combined | 1972 Winter, 1976 Winter | |
| Mauricio Kattan | Bolivia | Shooting | 1984 Summer | |
| Adriaan Katte | Netherlands | Field hockey | 1928 Summer | |
| Berndt Katter | Finland | Modern pentathlon | 1956 Summer, 1960 Summer | |
| Teemu Kattilakoski | Cross country skiing | 2002 Winter, 2006 Winter, 2010 Winter | |
| Dimitrios Kattis | Greece | Athletics | 1984 Summer | |
| Thadius Katua | Papua New Guinea | Boxing | 2016 Summer | |
| Aleksey Katulevsky | Kyrgyzstan | 2000 Summer | |
| Kampela Katumba | Zambia | Football | 1980 Summer | |
| Ryszard Katus | Poland | Athletics | 1972 Summer, 1976 Summer | |
| Štefan Katušák | Czechoslovakia | Handball | 1976 Summer | |
| Marita Katusheva | Soviet Union | Volleyball | 1964 Summer | |
| Fons van Katwijk | Netherlands | Road cycling | 1976 Summer | |
| Piet van Katwijk | 1972 Summer | |
| Alex Katz | Israel | Baseball | 2020 Summer | |
| Andreas Katz | Germany | Cross country skiing | 2018 Winter | |
| Elias Katz | Finland | Athletics | 1924 Summer | |
| Josh Katz | Australia | Judo | 2016 Summer, 2024 Summer | |
| Nathan Katz | 2016 Summer, 2020 Summer | |
| Ethan Katzberg | Canada | Athletics | 2024 Summer | |
| Edgar Katzenstein | Germany | Rowing | 1900 Summer | |
| Walther Katzenstein | 1900 Summer | |
| Rudolf Katzer | Track cycling | 1908 Summer | |
| Emmanouela Katzouraki [ Wikidata ] | Greece | Shooting | 2024 Summer | |
| Klaus Katzur | Germany, East Germany | Swimming | 1964 Summer, 1968 Summer, 1972 Summer | |
| Aleksandra Kauc | Poland | Figure skating | 2006 Winter | |
| Aleksandra Kałucka | Sport climbing | 2024 Summer | |
| Reinhold Kauder | West Germany | Canoe slalom | 1972 Summer | |
| Jaelin Kauf | United States | Freestyle skiing | 2018 Winter, 2022 Winter | |
| Per Kaufeldt | Sweden | Football | 1924 Summer | |
| Evelin Kaufer | East Germany | Athletics | 1972 Summer | |
| Urs Käufer | Germany | Rowing | 2008 Summer, 2012 Summer | |
| Cynthia Kauffman | United States | Figure skating | 1964 Winter, 1968 Winter | |
| Harold Kauffman | Tennis | 1904 Summer | |
| Katie Kauffman | Field hockey | 1996 Summer | |
| Ronald Kauffman | Figure skating | 1964 Winter, 1968 Winter | |
| Casey Kaufhold | Archery | 2020 Summer, 2024 Summer | |
| Otmar Kaufhold | West Germany | Rowing | 1976 Summer | |
| Gilbert Kaufman | Australia | Sailing | 1968 Summer | |
| Micha Kaufman | Israel | Shooting | 1976 Summer | |
| Alicia Kaufmanas | Argentina | Athletics | 1964 Summer, 1968 Summer | |
| Annett Kaufmann | Germany | Table tennis | 2024 Summer | |
| Carl Kaufmann | Athletics | 1960 Summer | |
| Christian Kaufmann | Switzerland | Freestyle skiing | 2002 Winter | |
| Fritz Kaufmann | Nordic combined, Ski jumping | 1932 Winter | |
| Georg von Kaufmann | Germany | Cross country skiing | 1936 Winter | |
| Gordon Kaufmann | United States | Art competitions | 1936 Summer | |
| Gustav Kaufmann | Liechtenstein | Shooting | 1960 Summer | |
| Heinz Kaufmann | Germany | Rowing | 1936 Summer | |
| Manfred Kaufmann | Brazil | Sailing | 1980 Summer | |
| Paul-Philipp Kaufmann | Germany | Field hockey | 2020 Summer, 2024 Summer | |
| Sören Kaufmann | Canoe slalom | 1992 Summer, 1996 Summer, 2000 Summer | |
| Wilhelm Kaufmann [ Wikidata ] | Artistic gymnastics | 1908 Summer | |
| Wilhelm Kaufmann | Austria | Art competitions | 1948 Summer | |
| Marianne Kaufmann-Abderhalden | Switzerland | Alpine skiing | 2014 Winter | |
| Rimantas Kaukėnas | Lithuania | Basketball | 2008 Summer, 2012 Summer | |
| Tomas Kaukėnas | Biathlon | 2014 Winter, 2018 Winter, 2022 Winter | |
| Anil Kaul | Canada | Badminton | 1992 Summer, 1996 Summer | |
| Niklas Kaul | Germany | Athletics | 2020 Summer, 2024 Summer | |
| Elfriede Kaun | 1936 Summer | |
| Sasha Kaun | Russia | Basketball | 2012 Summer | |
| Juha Kaunismäki | Norway | Ice hockey | 2010 Winter | |
| Lāsma Kauniste | Soviet Union | Speed skating | 1968 Winter | |
| Lars Martin Kaupang | Norway | Athletics | 1976 Summer | |
| Hans Kaupmannsennecke | Germany | Shooting | 1964 Summer | |
| Ossi Kauppi | Finland | Ice hockey | 1952 Winter | |
| Raimo Kauppila | Shooting | 1996 Summer, 2000 Summer | |
| Jarkko Kauppinen | Biathlon | 2014 Winter | |
| Kauko Kauppinen | Basketball | 1964 Summer | |
| Bhajan Kaur | India | Archery | 2024 Summer | |
| Gurjit Kaur | Field hockey | 2020 Summer | |
| Gurmeet Kaur | Athletics | 2000 Summer | |
| Harwant Kaur | 2004 Summer, 2008 Summer | |
| Kamalpreet Kaur | 2020 Summer | |
| Khushbir Kaur | 2016 Summer | |
| Mandeep Kaur | 2008 Summer | |
| Manjeet Kaur | 2004 Summer, 2008 Summer | |
| Manpreet Kaur | 2016 Summer | |
| Navjot Kaur | Field hockey | 2016 Summer, 2020 Summer | |
| Navneet Kaur | 2020 Summer | |
| Paramjeet Kaur | Athletics | 2000 Summer | |
| Rajwinder Kaur | 2004 Summer | |
| Simranjit Kaur | Boxing | 2020 Summer | |
| Katrin Kauschke | Germany | Field hockey | 1992 Summer, 1996 Summer, 2000 Summer | |
| Jakab Kauser | Hungary | Athletics | 1900 Summer | |
| Haripal Kaushik | India | Field hockey | 1956 Summer, 1964 Summer | |
| Maharaj Krishan Kaushik | 1980 Summer | |
| Manish Kaushik | Boxing | 2020 Summer | |
| Oona Kauste | Finland | Curling | 2018 Winter | |
| István Kausz | Hungary | Fencing | 1960 Summer, 1964 Summer | |
| Christian Kauter | Switzerland | 1968 Summer, 1972 Summer, 1976 Summer | |
| Fabian Kauter | 2012 Summer, 2016 Summer | |
| Michael Kauter | 2008 Summer | |
| Kathleen Kauth | United States | Ice hockey | 2006 Winter | |
| Mariana Kautz | Germany | Figure skating | 2002 Winter | |
| Joseph Kauvai | Cook Islands | Weightlifting | 1988 Summer | |
| Peter Kauzer | Slovenia | Canoe slalom | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Alfred Kałuziński | Poland | Handball | 1976 Summer, 1980 Summer | |
| Alexandra Kavadas | Greece | Football | 2004 Summer | |
| Yuko Kavaguti | Russia | Figure skating | 2010 Winter | |
| Ebru Kavaklıoğlu | Unified Team, Turkey | Athletics | 1992 Summer, 2000 Summer, 2004 Summer | |
| Jožko Kavalar | Slovenia | Cross country skiing | 1992 Winter | |
| Andrei Kavalenka | Belarus | Shooting | 2012 Summer | |
| Antanas Kavaliauskas | Lithuania | Basketball | 2012 Summer, 2016 Summer | |
| Egidijus Kavaliauskas | Boxing | 2008 Summer, 2012 Summer | |
| Jan Kavan | Czechoslovakia | Art competitions | 1932 Summer | |
| Jiří Kavan | Handball | 1972 Summer, 1976 Summer | |
| Fergus Kavanagh | Australia | Field hockey | 2008 Summer, 2012 Summer, 2016 Summer | |
| Juan Kavanagh | Venezuela | Fencing | 1952 Summer | |
| Patrick Kavanagh | Ireland | Football | 1948 Summer | |
| Eirini Kavarnou | Greece | Swimming | 2004 Summer, 2008 Summer | |
| Zoltán Kávay | Hungary | Rowing | 1956 Summer | |
| Blaž Kavčič | Slovenia | Tennis | 2012 Summer | |
| Marko Kavčič | Yugoslavia | Alpine skiing | 1972 Winter | |
| Ignac Kavec | Ice hockey | 1976 Winter | |
| Monique Kavelaars | Canada | Fencing | 2004 Summer | |
| David Kavelasvili | Greece | Weightlifting | 2012 Summer | |
| Boris Kaveshnikov | Kyrgyzstan | Athletics | 1996 Summer | |
| Pavel Kavetsky | Belarus | Road cycling | 1996 Summer | |
| Amin Kavianinejad | Iran | Wrestling | 2024 Summer | |
| Hana Kavková | Czechoslovakia | Rowing | 1976 Summer | |
| Inger Kavlie | Norway | 2024 Summer | |
| Jim Kavourias | Greece | Baseball | 2004 Summer | |
| Vid Kavtičnik | Slovenia | Handball | 2004 Summer, 2016 Summer | |
| Justus Kavulanya | Kenya | Athletics | 1996 Summer | |
| Ali Kavuma | Uganda | Weightlifting | 1988 Summer, 1996 Summer | |
| Tatiana Kavvadia | Greece | Basketball | 2004 Summer | |
| Kaw Fun Ying | Malaysia | Shooting | 1992 Summer, 1996 Summer | |
| Franciszek Kawa | Poland | Cross country skiing | 1928 Winter | |
| Emi Kawabata | Japan | Alpine skiing | 1988 Winter, 1992 Winter, 1994 Winter | |
| Hiromi Kawabata | Basketball | 2004 Summer | |
| Hitomi Kawabata | Softball | 2020 Summer | |
| Kaito Kawabata | Athletics | 2020 Summer, 2024 Summer | |
| Shingo Kawabata | 2000 Summer | |
| Shinichiro Kawabata | Baseball | 1992 Summer | |
| Takafumi Kawabata | Ski jumping | 1980 Winter | |
| Mana Kawabe | Figure skating | 2022 Winter | |
| Miho Kawabe | Artistic swimming | 1996 Summer | |
| Isao Kawabuchi | Ice hockey | 1964 Winter | |
| Saburō Kawabuchi | Football | 1964 Summer | |
| Masatsugu Kawachi | Boxing | 2008 Summer | |
| Tsuyoshi Kawachi | Track cycling | 1964 Summer | |
| Eiko Kawada | Handball | 1976 Summer | |
| Setsuo Kawada | Sailing | 1960 Summer | |
| Takayoshi Kawagoe | Athletics | 1972 Summer | |
| Kako Kawaguchi | Water polo | 2020 Summer | |
| Koichi Kawaguchi | Equestrian jumping | 1956 Summer | |
| Takao Kawaguchi | Judo | 1972 Summer | |
| Urara Kawaguchi | Cycling mountain bike | 2024 Summer | |
| Yoshikatsu Kawaguchi | Football | 1996 Summer | |
| Yutaka Kawaguchi | Ice hockey | 1998 Winter | |
| Masayuki Kawahara | Speed skating | 1976 Winter, 1980 Winter | |
| Makoto Kawahira | Ice hockey | 1998 Winter | |
| Aya Kawai | Figure skating | 1998 Winter | |
| Carlos Kawai | Brazil | Table tennis | 1988 Summer, 2000 Summer | |
| Risako Kinjo | Japan | Wrestling | 2016 Summer, 2020 Summer | |
| Shunichi Kawai | Volleyball | 1984 Summer, 1988 Summer | |
| Tatsuo Kawai | Wrestling | 1996 Summer, 2000 Summer | |
| Toshinobu Kawai | Short track speed skating | 1992 Winter | |
| Yukako Kawai | Wrestling | 2020 Summer | |
| Yuki Kawai | Volleyball | 2008 Summer | |
| Tatsugo Kawaishi | Swimming | 1932 Summer | |
| Kenshin Kawakami | Baseball | 2008 Summer | |
| Masashi Kawakami | Boxing | 1992 Summer | |
| Naoko Kawakami | Football | 2004 Summer | |
| Chosei Kawakami | Art competitions | 1932 Summer, 1936 Summer | |
| Yuko Kawakami | Athletics | 1996 Summer, 2000 Summer | |
| Małgorzata Kawalska | Poland | Rowing | 1976 Summer | |
| Naoki Kawamae | Japan | Badminton | 2012 Summer | |
| Evelyn Kawamoto | United States | Swimming | 1952 Summer | |
| Sho Kawamoto | Japan | Athletics | 2016 Summer | |
| Shunsuke Kawamoto | Rowing | 1984 Summer, 1988 Summer | |
| Taizo Kawamoto | Football | 1936 Summer | |
| Takeshi Kawamoto | Swimming | 2020 Summer | |
| Yukari Kawamoto | Rhythmic gymnastics | 1992 Summer | |
| Anri Kawamura | Freestyle skiing | 2022 Winter | |
| Hideaki Kawamura | Athletics | 1996 Summer, 2000 Summer | |
| Katsutoshi Kawamura | Ice hockey | 1980 Winter | |
| Kazuo Kawamura | Field hockey | 1968 Summer | |
| Motomi Kawamura | 2016 Summer | |
| Takeo Kawamura | Baseball | 1996 Summer | |
| Yasuo Kawamura | Speed skating | 1932 Winter, 1936 Winter | |
| Yuki Kawamura | Basketball | 2024 Summer | |
| Kaori Kawanaka | Archery | 2012 Summer, 2016 Summer | |
| Keiichi Kawanaka | Swimming | 1992 Summer | |
| Hide Kawanishi | Art competitions | 1932 Summer | |
| Shigeko Kawanishi | Swimming | 1968 Summer, 1972 Summer | |
| Mynhardt Kawanivi | Namibia | Athletics | 2016 Summer | |
| Katsumi Kawano | Japan | Volleyball | 1992 Summer | |
| Masato Kawano [ Wikidata ] | Baseball | 2000 Summer | |
| Masatora Kawano | Athletics | 2020 Summer, 2024 Summer | |
| Shunichi Kawano | Wrestling | 1960 Summer, 1964 Summer, 1968 Summer | |
| Yoshihiro Kawano | Speed skating | 1964 Winter | |
| Nada Kawar | Jordan | Athletics | 1996 Summer, 2000 Summer | |
| Bassam Kawas [ Wikidata ] | Lebanon | 1992 Summer | |
| Eiichi Kawasaki [ Wikidata ] | Japan | Art competitions | 1932 Summer | |
| Mayumi Kawasaki | Basketball | 1996 Summer | |
| Mayumi Kawasaki | Athletics | 2004 Summer, 2008 Summer, 2012 Summer | |
| Mitchell Kawasaki | Canada | Wrestling | 1976 Summer | |
| Munenori Kawasaki | Japan | Baseball | 2008 Summer | |
| Sōta Kawasaki | Football | 2024 Summer | |
| Tsutomu Kawasaki | Short track speed skating | 1992 Winter | |
| Yukari Kawasaki | Archery | 2004 Summer | |
| Akiko Kawase | Artistic swimming | 1996 Summer | |
| Miyako Kawase | Luge | 1972 Winter | |
| Tokie Kawase | Artistic gymnastics | 1984 Summer | |
| Yukari Kawase | Volleyball | 1988 Summer | |
| Kozo Kawashima | Ski jumping | 1952 Winter | |
| Naoko Kawashima | Artistic swimming | 2004 Summer, 2008 Summer | |
| Shinji Kawashima | Athletics | 2000 Summer | |
| Yoshiaki Kawashima | 1956 Summer | |
| Yukiko Kawashima | Ice hockey | 2022 Winter | |
| Hiromi Kawasumi | Athletics | 1988 Summer | |
| Nahomi Kawasumi | Football | 2012 Summer | |
| Yuki Kawata | Archery | 2020 Summer | |
| Kentaro Kawatsu | Swimming | 1932 Summer | |
| Masanori Kawatsu | Fencing | 1976 Summer | |
| Shudo Kawawa | Swimming | 1984 Summer | |
| Hiroyuki Kawazoe | Modern pentathlon | 1976 Summer, 1984 Summer | |
| Kaori Kawazoe | Athletics | 2020 Summer | |
| Koro Kawazu | 1964 Summer | |
| Radosław Kawęcki | Poland | Swimming | 2012 Summer, 2016 Summer, 2020 Summer | |
| Zdzisław Kawecki | Equestrian eventing | 1936 Summer | |
| Zygmunt Kawecki | Fencing | 1968 Summer, 1972 Summer | |
| Mohamed El-Kawisah | Libya | Judo | 2016 Summer | |
| Sunisa Kawrungruang | Thailand | Athletics | 1996 Summer | |
| Jan Kawulok | Poland | Nordic combined | 1968 Winter | |
| Stanisław Kawulok | 1976 Winter, 1980 Winter | |
| Emily Kay | Ireland | Track cycling | 2020 Summer | |
| Nick Kay | Australia | Basketball | 2020 Summer, 2024 Summer | |
| Patrick Kay | Canada | Rugby sevens | 2020 Summer | |
| Reyon Kay | New Zealand | Speed skating | 2018 Winter | |
| Shakeem Mc Kay [ Wikidata ] | Trinidad and Tobago | Athletics | 2024 Summer | |
| Tom Kay | Great Britain | Rowing | 1996 Summer, 2000 Summer | |
| Ali Kaya | Turkey | Athletics | 2016 Summer | |
| Aras Kaya | 2016 Summer | |
| Halil Kaya | Wrestling | 1948 Summer | |
| Kaya Kazuma | Japan | Artistic gymnastics | 2020 Summer, 2024 Summer | |
| Kıvılcım Kaya | Turkey | Athletics | 2012 Summer, 2016 Summer | |
| Mustafa Kaya | Wrestling | 2016 Summer | |
| Özlem Kaya | Athletics | 2012 Summer, 2016 Summer | |
| Rümeysa Pelin Kaya | Shooting | 2024 Summer | |
| Rıza Kayaalp | Wrestling | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Gülden Kayalar Kuzubaşıoğlu | Volleyball | 2012 Summer | |
| Frank Kayele | Namibia | Athletics | 1992 Summer | |
| Ali Kayalı | Turkey | Wrestling | 1992 Summer | |
| Shinsuke Kayama | Japan | Swimming | 1976 Summer | |
| Humphrey Kayange | Kenya | Rugby sevens | 2016 Summer | |
| Oleksandr Kaydash | Ukraine | Athletics | 2000 Summer | |
| Irina Kaydashova | Uzbekistan | Taekwondo | 2004 Summer | |
| Mervin Kaye | Canada | Rowing | 1952 Summer | |
| Ray Kaye | United States | Swimming | 1936 Summer | |
| Joe Kayes | Australia | Water polo | 2016 Summer | |
| Selman Kaygusuz | Turkey | Wrestling | 1984 Summer, 1988 Summer | |
| Karri Käyhkö | Finland | Swimming | 1956 Summer, 1960 Summer | |
| Tauno Käyhkö | Finland, Canada | Ski jumping | 1972 Winter, 1980 Winter | |
| Svetlana Kaykan | Russia | Speed skating | 2002 Winter, 2010 Winter | |
| Joe Kaylor | United States | Handball | 1936 Summer | |
| Mark Kaylor | Great Britain | Boxing | 1980 Summer | |
| Martin Kaymer | Germany | Golf | 2016 Summer | |
| Beste Kaynakçı | Turkey | Sailing | 2020 Summer, 2024 Summer | |
| Alican Kaynar | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Oluyemi Kayode | Nigeria | Athletics | 1992 Summer | |
| Raymond Kayrouz | Lebanon | Alpine skiing | 1992 Winter | |
| Salloum Kaysar | Road cycling | 1980 Summer | |
| Oliver Kayser | Austria | Fencing | 2000 Summer | |
| Natalya Kayukova | Russia | Athletics | 1996 Summer | |
| Artur Kayumov | Russian Olympic Committee | Ice hockey | 2022 Winter | |
| Vladimir Kayzer [ Wikidata ] | Russia | Fencing | 1912 Summer | |
| Kimio Kazahari | Japan | Ice hockey | 1964 Winter | |
| Andrei Kazak | Belarus | Shooting | 2004 Summer, 2012 Summer | |
| Mikalai Kazak [ Wikidata ] | Trampolining | 2004 Summer, 2008 Summer | |
| Nataliya Kazak | Soviet Union | Rowing | 1980 Summer | |
| Aleksandr Kazakevič | Lithuania | Wrestling | 2008 Summer, 2012 Summer | |
| Irina Kazakevich | Russian Olympic Committee | Biathlon | 2022 Winter | |
| Igors Kazakevičs | Latvia | Athletics | 2008 Summer, 2012 Summer | |
| Onat Kazaklı | Turkey | Rowing | 2020 Summer | |
| Aleksey Kazakov | Russia | Volleyball | 1996 Summer, 2000 Summer, 2004 Summer | |
| Rustam Kazakov | Soviet Union | Wrestling | 1972 Summer | |
| Sergey Kazakov | Russia | Boxing | 2000 Summer, 2004 Summer | |
| Maria Kazakova | Georgia | Figure skating | 2022 Winter | |
| Oksana Kazakova | Russia | 1998 Winter | |
| Maksis Kazāks | Latvia | Basketball | 1936 Summer | |
| Atsushi Kazama | Japan | Biathlon | 1992 Winter, 1998 Winter | |
| Eiichi Kazama | Wrestling | 1936 Summer | |
| Sadao Kazama | 1964 Summer | |
| Maria Kazanecka | Poland | Canoe sprint | 1976 Summer | |
| Oleksiy Kazanin | Ukraine | Athletics | 2008 Summer, 2012 Summer | |
| Svetlana Kazanina | Kazakhstan | 1996 Summer, 2000 Summer, 2004 Summer | |
| Tatyana Kazankina | Soviet Union | 1976 Summer, 1980 Summer | |
| Pavel Kazankov | 1952 Summer | |
| Milko Kazanov | Bulgaria | Canoe sprint | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Musa Kazanov | Wrestling | 1960 Summer | |
| Lyubomira Kazanova | Rhythmic gymnastics | 2016 Summer | |
| Igors Kazanovs | Latvia | Athletics | 1992 Summer, 1996 Summer | |
| Gerald Kazanowski | Canada | Basketball | 1984 Summer, 1988 Summer | |
| Mikhail Kazantsev | Soviet Union | Athletics | 1952 Summer | |
| Roman Kazantsev | Rowing | 1988 Summer | |
| Vladimir Kazantsev | Athletics | 1952 Summer | |
| Vladimir Kazantsev | Uzbekistan | Canoe sprint | 1996 Summer | |
| Flora Kazantseva | Soviet Union | Athletics | 1952 Summer | |
| Matej Kazár | Slovakia | Biathlon | 2006 Winter, 2014 Winter, 2018 Winter | |
| Vazik Kazarian | Iran | Boxing | 1960 Summer | |
| Dmitri Kazarlyga | Kazakhstan | Figure skating | 1994 Winter, 1998 Winter | |
| Jenya Kazbekova | Ukraine | Sport climbing | 2024 Summer | |
| Odrina Kaze | Burundi | Swimming | 2020 Summer | |
| Raphael Kazembe | Malawi | Road cycling | 1972 Summer | |
| Ahad Kazemi | Iran | 2000 Summer | |
| Arsalan Kazemi | Basketball | 2020 Summer | |
| Manijeh Kazemi | Shooting | 2000 Summer | |
| Saber Kazemi | Volleyball | 2020 Summer | |
| Olga Kazi | Hungary | Athletics | 1960 Summer, 1964 Summer | |
| Tamás Kazi | 2012 Summer | |
| Linda Kazienko | Canada | Archery | 1984 Summer | |
| Sandra Kazíková | Czech Republic | Swimming | 2004 Summer, 2008 Summer | |
| Klaudia Kazimierska | Poland | Athletics | 2024 Summer | |
| Róbert Kažimír | Slovakia | Figure skating | 1998 Winter | |
| Nadiya Kazimirchuk | Ukraine | Fencing | 2004 Summer | |
| Ilian Kaziyski | Bulgaria | Volleyball | 1988 Summer | |
| Matey Kaziyski | 2008 Summer | |
| Valdas Kazlauskas | Lithuania | Athletics | 1996 Summer | |
| Ihar Kazloŭ | Belarus | Artistic gymnastics | 2008 Summer | |
| Uladzimir Kazlou | Athletics | 2008 Summer, 2012 Summer | |
| Karyna Kazlouskaya | Archery | 2020 Summer | |
| Alyaksey Kazlow | Football | 2012 Summer | |
| Stanisław Kaźmierczak | Poland | Field hockey | 1972 Summer | |
| Scott Kazmir | United States | Baseball | 2020 Summer | |
| Kai Kazmirek | Germany | Athletics | 2016 Summer, 2020 Summer | |
| Marija Kaznačenko | Lithuania | Cross country skiing | 2018 Winter | |
| Sergey Kaznacheyev | Kazakhstan | Speed skating | 1998 Winter | |
| Aliaksandr Kazubouski | Belarus | Rowing | 2008 Summer, 2012 Summer | |
| Risa Kazumi | Japan | Judo | 1996 Summer | |
| Kenta Kazuno | Badminton | 2016 Summer | |
| Andrei Kazusenok | Belarus | Judo | 2008 Summer | |
| Ke Hua | China | Canoe sprint | 1988 Summer | |
| Scott Keach | Australia | Equestrian eventing, Equestrian jumping | 1988 Summer, 2016 Summer | |
| Mitchell Kealey | Athletics | 2008 Summer | |
| Pua Kealoha | United States | Swimming | 1920 Summer | |
| Warren Kealoha | 1920 Summer, 1924 Summer | |
| Gareth Kean | New Zealand | 2012 Summer | |
| Simon Kean | Canada | Boxing | 2012 Summer | |
| Chanon Keanchan | Thailand | Athletics | 1992 Summer | |
| Anthony Keane | United States | Fencing | 1968 Summer | |
| Bryan Keane | Ireland | Triathlon | 2016 Summer | |
| Danny Keane | New Zealand | Rowing | 1976 Summer | |
| Donald Keane | Australia | Athletics | 1952 Summer, 1956 Summer | |
| Keesha Keane | Palau | Swimming | 2012 Summer | |
| Patrick Keane | Canada | Rowing | 2020 Summer | |
| William Keane | United States | Sailing | 1936 Summer | |
| Somsak Keaokanta | Thailand | Athletics | 1964 Summer | |
| Hagen Kearney | United States | Snowboarding | 2018 Winter, 2022 Winter | |
| Hannah Kearney | Freestyle skiing | 2006 Winter, 2010 Winter, 2014 Winter | |
| Lisa Kearney | Ireland | Judo | 2012 Summer | |
| Tom Kearney | Fencing | 1952 Summer, 1960 Summer | |
| Matilda Kearns | Australia | Water polo | 2020 Summer, 2024 Summer | |
| Thomas Kearns | Ireland | Athletics | 1988 Summer, 1992 Summer, 1996 Summer | |
| Lloyd Keaser | United States | Wrestling | 1976 Summer | |
| Brian Keast | Canada | Track cycling | 1972 Summer | |
| Charles Keating III | United States | Swimming | 1976 Summer | |
| Murray Keating | Canada | Athletics | 1976 Summer | |
| Seán Keating | Ireland | Art competitions | 1924 Summer, 1928 Summer | |
| Dan Keatings | Great Britain | Artistic gymnastics | 2008 Summer | |
| Ivan Keats | New Zealand | Athletics | 1964 Summer | |
| Art Keay | Canada | 1928 Summer | |
| Vadym Kebalo | Ukraine | Water polo | 1996 Summer | |
| Erdinç Kebapçı | Turkey | Shooting | 2016 Summer | |
| Nabil Kebbab | Algeria | Swimming | 2008 Summer, 2012 Summer | |
| Jimmy Kébé | Mali | Football | 2004 Summer | |
| Endalkachew Kebede | Ethiopia | Boxing | 2004 Summer | |
| Tsegaye Kebede | Athletics | 2008 Summer | |
| Collen Kebinatshipi | Botswana | 2024 Summer | |
| Almat Kebispayev | Kazakhstan | Wrestling | 2012 Summer, 2016 Summer | |
| Kęstutis Keblys | Lithuania | Rowing | 2004 Summer | |
| Lenka Kebrlová | Czechoslovakia | Alpine skiing | 1988 Winter | |
| Oleg Kechko | Belarus | Weightlifting | 1996 Summer | |
| Marouan Kechrid | Tunisia | Basketball | 2012 Summer | |
| Yassine Kechta | Morocco | Football | 2024 Summer | |
| Charles Keck | United States | Art competitions | 1932 Summer | |
| Josef Keck | West Germany | Biathlon | 1976 Winter | |
| Michael Keck | Germany | Badminton | 1996 Summer, 2000 Summer | |
| Momir Kecman | Yugoslavia | Wrestling | 1972 Summer | |
| Miomir Kecmanović | Serbia | Tennis | 2020 Summer | |
| Gábor Kecskeméti | Hungary | Artistic gymnastics | 1936 Summer | |
| Zoltán Kecskés | Weightlifting | 1996 Summer | |
| Zohir Kedache | Algeria | Boxing | 2016 Summer | |
| Nacer Keddam | 2000 Summer | |
| Salim Keddar | Athletics | 2016 Summer | |
| Mark Keddell | New Zealand | 1996 Summer | |
| Rose Keddell | Field hockey | 2016 Summer, 2020 Summer | |
| Nikki Keddie [ Wikidata ] | Canada | Biathlon | 1998 Winter | |
| Zaza Kedelashvili | Georgia | Judo | 2008 Summer | |
| Haile Micael Kedir | Ethiopia | Road cycling | 1980 Summer | |
| Mohamed Kedir | Athletics | 1980 Summer | |
| Omar Kedjaouer | Algeria | Wrestling | 1996 Summer | |
| Shani Kedmi | Israel | Sailing | 1996 Summer, 2000 Summer | |
| Kittinupong Kedren | Thailand | Badminton | 2024 Summer | |
| Maksim Kedrin | Russia | Alpine skiing | 2002 Winter | |
| Aleksandr Kedyarov | Soviet Union | Shooting | 1976 Summer | |
| Piotr Kędzia | Poland | Athletics | 2008 Summer | |
| Karolina Kedzierska | Sweden | Taekwondo | 2008 Summer | |
| Aw Chu Kee | Myanmar | Weightlifting | 1956 Summer | |
| Charles Keeble | Australia | Figure skating | 1956 Winter | |
| Ronald Keeble | Great Britain | Track cycling | 1968 Summer, 1972 Summer | |
| Bruce Keech | Australia | Road cycling | 1988 Summer | |
| Flip Keegstra | Netherlands | Sailing | 1948 Summer, 1952 Summer | |
| Avo Keel | Estonia | Beach volleyball | 1996 Summer | |
| Kathy Keeler | United States | Rowing | 1984 Summer | |
| Ernest Keeley | South Africa | Shooting | 1912 Summer | |
| Shaun Keeling | Rowing | 2008 Summer, 2016 Summer | |
| Henk Keemink | Netherlands | Athletics | 1924 Summer | |
| Gerdie Keen | Table tennis | 1996 Summer | |
| Sandra Keen | Great Britain | Swimming | 1964 Summer | |
| Trinko Keen | Netherlands | Table tennis | 1996 Summer, 2000 Summer, 2004 Summer | |
| Adam Keenan | Canada | Athletics | 2024 Summer | |
| Hugo Keenan | Ireland | Rugby sevens | 2024 Summer | |
| Jack Keenan | Canada | Boxing | 1948 Summer | |
| Nicolás Keenan | Argentina | Field hockey | 2020 Summer, 2024 Summer | |
| Roy Keenan | Canada | Boxing | 1952 Summer | |
| Simon Keenan | Australia | Rowing | 2020 Summer, 2024 Summer | |
| Tommy Keenan | Ireland | Basketball | 1948 Summer | |
| Anne Keenan-Buckley | Athletics | 1988 Summer | |
| Alfred Keene | Great Britain | Fencing | 1908 Summer, 1912 Summer | |
| Charles Keene | Archery | 1908 Summer | |
| Foxhall P. Keene | Polo | 1900 Summer | |
| Maddison Keeney | Australia | Diving | 2016 Summer, 2024 Summer | |
| Tiffany Keep | South Africa | Road cycling | 2024 Summer | |
| Joe Keeper | Canada | Athletics | 1912 Summer | |
| Frederick Keeping | Great Britain | Track cycling | 1896 Summer | |
| Marcel Van De Keere | Belgium | Boxing | 1952 Summer | |
| Hennie Keetelaar | Netherlands | Water polo | 1948 Summer | |
| Marloes Keetels | Field hockey | 2016 Summer, 2020 Summer | |
| Damon Keeve | United States | Judo | 1992 Summer, 1996 Summer | |
| William Keever | Shooting | 2000 Summer | |
| Konstantina Kefala | Greece | Athletics | 2012 Summer | |
| Alexandros Kefalas | Skeleton | 2014 Winter | |
| Konstantinos Kefalas | Shooting | 1920 Summer | |
| Lambros Kefalas | Athletics | 1980 Summer | |
| Aristidis Kefalogiannis | Water polo | 1980 Summer, 1984 Summer, 1988 Summer | |
| Meb Keflezighi | United States | Athletics | 2000 Summer, 2004 Summer, 2012 Summer, 2016 Summer | |
| Marian Kegel | Poland | Road cycling | 1968 Summer | |
| Oliver Kegel | West Germany, Germany | Canoe sprint | 1984 Summer, 1992 Summer | |
| Ray Kegeris | United States | Swimming | 1920 Summer | |
| Marijke Kegge | Netherlands | Canoe sprint | 1980 Summer | |
| Mara Keggi | United States | Rowing | 1988 Summer | |
| László Keglovich | Hungary | Football | 1968 Summer | |
| Anton Kehle | West Germany | Ice hockey | 1972 Winter, 1976 Winter | |
| Lisa Kehler | Great Britain | Athletics | 1992 Summer, 2000 Summer | |
| Erwin Kehlhoffner | France | Badminton | 2008 Summer | |
| Zohra Nora Kehli [ Wikidata ] | Algeria | Fencing | 2024 Summer | |
| Frank Kehoe | United States | Diving, Water polo | 1904 Summer | |
| Sally Kehoe | Australia | Rowing | 2008 Summer, 2012 Summer, 2016 Summer | |
| Daniel Kehr [ Wikidata ] | France | Artistic gymnastics | 1900 Summer | |
| Gabriel Kehr | Chile | Athletics | 2020 Summer, 2024 Summer | |
| Fritz Kehrer | Switzerland | Field hockey | 1948 Summer | |
| Stefan Kehrer | Germany | Wrestling | 2008 Summer | |
| Béla von Kehrling | Hungary | Tennis | 1912 Summer, 1924 Summer | |
| Florian Kehrmann | Germany | Handball | 2000 Summer, 2004 Summer, 2008 Summer | |
| Hermann Keimel | Art competitions | 1932 Summer | |
| Jules Keignaert | France | Water polo | 1928 Summer | |
| Harry de Keijser | Netherlands | Athletics | 1924 Summer | |
| Marieke Keijser | Rowing | 2020 Summer | |
| Pieter Keijzer | Sailing | 1976 Summer | |
| Susanne Keil | Germany | Athletics | 2004 Summer | |
| Arthur Keily | Great Britain | 1960 Summer | |
| Jenny Keim | United States | Diving | 1996 Summer, 2000 Summer | |
| Leander Keim [ Wikidata ] | Artistic gymnastics | 1904 Summer | |
| Heinrich Keimig | Germany | Handball | 1936 Summer | |
| Ilmari Keinänen | Finland | Artistic gymnastics | 1912 Summer | |
| Kipchoge Keino | Kenya | Athletics | 1964 Summer, 1968 Summer, 1972 Summer | |
| Matti Keinonen | Finland | Ice hockey | 1968 Winter, 1972 Winter | |
| Steve Keir | Australia | Volleyball | 2000 Summer | |
| Tawai Keiruan | Vanuatu | Athletics | 1992 Summer, 1996 Summer | |
| Aleksanteri Keisala | Finland | Wrestling | 1948 Summer, 1952 Summer | |
| Anni Keisala | Ice hockey | 2022 Winter | |
| Jessica Keiser [ Wikidata ] | Switzerland | Snowboarding | 2022 Winter | |
| Iljo Keisse | Belgium | Track cycling | 2004 Summer, 2008 Summer | |
| Daba Modibo Keïta | Mali | Taekwondo | 2008 Summer, 2012 Summer | |
| David Keita | Swimming | 2004 Summer | |
| Facinet Keita | Guinea | Judo | 2012 Summer | |
| Francis Keita | Sierra Leone | Athletics | 1988 Summer, 1992 Summer | |
| Kader Keïta | Ivory Coast | Football | 2020 Summer | |
| Madiou Keita | Guinea | 2024 Summer | |
| Makoura Keita | Athletics | 2016 Summer | |
| Mamadou Keita | Mali | Judo | 1988 Summer | |
| Mamadou Keita | Senegal | Fencing | 2008 Summer | |
| Mariam Pauline Keita | Mali | Swimming | 2000 Summer, 2004 Summer, 2008 Summer | |
| Mory Keïta [ Wikidata ] | Guinea | Football | 2024 Summer | |
| Naby Keïta | 2024 Summer | |
| Naman Keïta | France | Athletics | 2004 Summer | |
| Mary Jepkosgei Keitany | Kenya | 2012 Summer | |
| Sebastián Keitel | Chile | 1996 Summer | |
| Hans Keiter | Germany | Handball | 1936 Summer | |
| Allan Keith | Canada | Artistic gymnastics | 1908 Summer | |
| Duncan Keith | Ice hockey | 2010 Winter, 2014 Winter | |
| Megan Keith | Great Britain | Athletics | 2024 Summer | |
| Sandra Keith | Canada | Biathlon | 2006 Winter | |
| William Keith | South Africa | Athletics | 1952 Summer | |
| Tracy Keith-Matchitt | Cook Islands | Swimming | 2016 Summer | |
| Kalle Keituri | Finland | Ski jumping | 2010 Winter | |
| Ilja Keizer | Netherlands | Athletics | 1968 Summer, 1972 Summer | |
| Jolanda Keizer | 2008 Summer | |
| Joris Keizer | Swimming | 2000 Summer, 2004 Summer | |
| Sanne Keizer | Beach volleyball | 2012 Summer, 2020 Summer | |
| Yomif Kejelcha | Ethiopia | Athletics | 2020 Summer, 2024 Summer | |
| Melat Yisak Kejeta | Germany | 2020 Summer, 2024 Summer | |
| Malene Kejlstrup | Denmark | Cycling BMX racing | 2024 Summer | |
| Vladimír Kejř | Czechoslovakia | Artistic gymnastics | 1952 Summer, 1956 Summer | |
| Miloslav Kejval | Road cycling | 1992 Summer | |
| Alenka Kejžar | Slovenia | Swimming | 1996 Summer, 2000 Summer, 2004 Summer | |
| Nataša Kejžar | 2000 Summer | |
| Roman Kejžar | Athletics | 2000 Summer, 2004 Summer, 2008 Summer | |
| György Kékes | Hungary | Wrestling | 1996 Summer | |
| Márton Kékesi | Alpine skiing | 2018 Winter, 2022 Winter | |
| Andrea Kékesy | Figure skating | 1948 Winter | |
| Sebusiso Keketsi | Lesotho | Boxing | 2000 Summer | |
| Lazarakis Kekhagias | Greece | Alpine skiing | 1980 Winter | |
| Weini Kelati | United States | Athletics | 2024 Summer | |
| Tomislav Kelava | Yugoslavia | Boxing | 1960 Summer | |
| Siyka Kelbecheva | Bulgaria | Rowing | 1976 Summer, 1980 Summer | |
| Tim Kelbert | Virgin Islands | Sailing | 1976 Summer | |
| Hans Keldermann | Netherlands | Rowing | 1988 Summer, 1992 Summer | |
| Wilco Kelderman | Road cycling | 2020 Summer | |
| Diyora Keldiyorova | Uzbekistan | Judo | 2020 Summer, 2024 Summer | |
| Raul Kelecom | Belgium | Football | 1900 Summer | |
| Benjamin Keleketu | Botswana | Athletics | 1992 Summer, 1996 Summer | |
| Rosa Keleku | Democratic Republic of the Congo | Taekwondo | 2016 Summer | |
| Atila Kelemen | Romania | Water polo | 1952 Summer | |
| Aurél von Kelemen | Hungary | Tennis | 1912 Summer, 1924 Summer | |
| Endre Kelemen | Athletics | 1976 Summer | |
| Kathy Kelemen | Canada | Diving | 1984 Summer | |
| Lajos Kelemen | Hungary | Shooting | 1964 Summer | |
| Márta Kelemen | Artistic gymnastics | 1972 Summer, 1976 Summer | |
| Miloš Kelemen | Slovakia | Ice hockey | 2022 Winter | |
| Pavel Kelemen | Czech Republic | Track cycling | 2012 Summer, 2016 Summer | |
| Zoltán Kelemen | Hungary | Artistic gymnastics | 1980 Summer | |
| Zoltán Kelemen | Romania | Figure skating | 2010 Winter, 2014 Winter | |
| Ildikó Kelemen-Kovács | Hungary | Diving | 1980 Summer, 1988 Summer | |
| János Kelen | Athletics | 1936 Summer | |
| Fatih Keleş | Turkey | Boxing | 2012 Summer | |
| İsmail Keleş | Shooting | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Helen Kelesi | Canada | Tennis | 1988 Summer | |
| Ilias Kelesidis | Greece | Road cycling | 1984 Summer | |
| Anastasia Kelesidou | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Dorian Keletela | Refugee Olympic Team | 2020 Summer, 2024 Summer | |
| Ágnes Keleti | Hungary | Artistic gymnastics | 1952 Summer, 1956 Summer | |
| Zsigmond Kelevitz | Australia | Wrestling | 1976 Summer, 1980 Summer, 1984 Summer | |
| Cassandra Kell | Football | 2004 Summer | |
| Elizabeth Kell | Rowing | 2008 Summer | |
| Kelly Kelland | Canada | Softball | 1996 Summer | |
| Becky Kellar-Duke | Ice hockey | 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter | |
| Tim Kellaway | Great Britain | Athletics | 1912 Summer | |
| Dennis Kelleher | Football | 1948 Summer | |
| John Kelleher | Ireland | Boxing | 1924 Summer | |
| Henri Kellen | Luxembourg | Road cycling | 1948 Summer | |
| Emil Kellenberger | Switzerland | Shooting | 1900 Summer | |
| Alessandra Keller | Cycling mountain bike | 2024 Summer | |
| Alfred Keller | Austria | Art competitions | 1932 Summer | |
| Andreas Keller | West Germany, Germany | Field hockey | 1984 Summer, 1988 Summer, 1992 Summer | |
| Carsten Keller | Germany, West Germany | 1960 Summer, 1968 Summer, 1972 Summer | |
| Christian Keller | Germany | Swimming | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Cordula Keller | West Germany | Rowing | 1988 Summer | |
| Dietrich Keller | Basketball | 1972 Summer | |
| Erhard Keller | Speed skating | 1968 Winter, 1972 Winter | |
| Erwin Keller | Germany | Field hockey | 1936 Summer | |
| Florian Keller | 2008 Summer | |
| Franz Keller | West Germany | Nordic combined, Ski jumping | 1968 Winter, 1972 Winter | |
| Hans Keller | Germany | Speed skating | 1956 Winter | |
| Hans Keller | Switzerland | Ice hockey | 1972 Winter | |
| Hansjakob Keller | Rowing | 1948 Summer | |
| Heinrich Keller | Water polo | 1948 Summer | |
| Jack Keller | United States | Athletics | 1932 Summer | |
| Jean Keller | France | 1924 Summer, 1928 Summer, 1932 Summer | |
| John Keller | Canada | Boxing | 1932 Summer | |
| John Keller | United States | Basketball | 1952 Summer | |
| John Keller | Handball | 1996 Summer | |
| Kalyn Keller | Swimming | 2004 Summer | |
| Kasey Keller | Football | 1996 Summer | |
| Klete Keller | Swimming | 2000 Summer, 2004 Summer, 2008 Summer | |
| Markus Keller | Switzerland | Triathlon | 2000 Summer | |
| Markus Keller | Snowboarding | 2006 Winter, 2010 Winter | |
| Martin Keller | Germany | Athletics | 2008 Summer | |
| Megan Keller | United States | Ice hockey | 2018 Winter, 2022 Winter | |
| Natascha Keller | Germany | Field hockey | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Olivier Keller | Switzerland | Ice hockey | 2002 Winter, 2006 Winter | |
| Renate Keller | Snowboarding | 1998 Winter | |
| Ruedi Keller | Field hockey, Ice hockey | 1952 Summer, 1956 Winter | |
| Tore Keller | Sweden | Football | 1924 Summer | |
| Walter Keller | Switzerland | Athletics | 1948 Summer | |
| Walter Keller | Ice hockey | 1956 Winter | |
| József Kellermann | Hungary | Wrestling | 1960 Summer | |
| Gernot Kellermayr | Austria | Athletics | 1992 Summer | |
| Sharon Kellett | Australia | Swimming | 1984 Summer | |
| Allen Kelley | United States | Basketball | 1960 Summer | |
| Bob Kelley | Athletics | 1928 Summer | |
| Dean Kelley | Basketball | 1952 Summer | |
| John J. Kelley | Athletics | 1956 Summer, 1960 Summer | |
| Johnny Kelley | 1936 Summer, 1948 Summer | |
| Kathlyn Kelley | 1936 Summer | |
| Peter Kelley | Weightlifting | 1996 Summer | |
| Susan Kelley | Figure skating | 1976 Winter | |
| Eddie Kelliher | Ireland | Sailing | 1964 Summer | |
| Dan Kellner | United States | Fencing | 2004 Summer | |
| Ferenc Kellner | Hungary | Boxing | 1960 Summer | |
| Gyula Kellner | Athletics | 1896 Summer | |
| Hanny Kellner | Austria | Diving | 1912 Summer | |
| Josefa Kellner [ Wikidata ] | Swimming | 1912 Summer | |
| Paul Kellner | Germany | 1912 Summer | |
| Rosa Kellner | Athletics | 1928 Summer | |
| Thea Kellner | Romania | Fencing | 1936 Summer | |
| Uwe Kellner | Germany | Rowing | 1992 Summer | |
| Anna Kellnerová | Czech Republic | Equestrian jumping | 2020 Summer | |
| Fiona Kellock | Great Britain | Swimming | 1968 Summer | |
| Lindsay Kellock | Canada | Equestrian dressage | 2020 Summer | |
| Charles Kellogg | United States | Cross country skiing | 1968 Winter | |
| Donna Kellogg | Great Britain | Badminton | 2000 Summer, 2004 Summer, 2008 Summer | |
| Mimi Kellogg | United States | Rowing | 1976 Summer | |
| Elise Kellond-Knight | Australia | Football | 2016 Summer | |
| Kelly | Brazil | 2004 Summer | |
| Aidan Kelly | United States | Luge | 2014 Winter | |
| Ashley Kelly | British Virgin Islands | Athletics | 2016 Summer | |
| Barrie Kelly | Great Britain | 1968 Summer | |
| Barry Kelly | Australia | Canoe sprint | 1980 Summer, 1984 Summer | |
| Basil Kelly | Bahamas | Sailing | 1952 Summer, 1960 Summer, 1964 Summer | |
| Chris Kelly | Canada | Ice hockey | 2018 Winter | |
| Damaen Kelly | Ireland | Boxing | 1996 Summer | |
| Damon Kelly | Australia | Weightlifting | 2008 Summer, 2012 Summer | |
| Dan Kelly | Judo | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Daniel Kelly | United States | Athletics | 1908 Summer | |
| David Kelly | Bahamas | Sailing | 1968 Summer, 1972 Summer | |
| David Kelly | Virgin Islands | 1972 Summer | |
| Dermot Kelly | Ireland | Shooting | 1968 Summer, 1972 Summer | |
| Frances Kelly | Art competitions | 1932 Summer | |
| Fred Kelly | United States | Athletics | 1912 Summer | |
| Fred Kelly | Canada | Cross country skiing | 1972 Winter | |
| Frederick Septimus Kelly | Great Britain | Rowing | 1908 Summer | |
| George Kelly | Ireland | Boxing | 1928 Summer | |
| Godfrey Kelly | Bahamas | Sailing | 1960 Summer, 1964 Summer, 1968 Summer, 1972 Summer | |
| Hannah Kelly | Great Britain | Athletics | 2024 Summer | |
| Jack Kelly | Ireland | Rugby sevens | 2020 Summer, 2024 Summer | |
| Jamill Kelly | United States | Wrestling | 2004 Summer | |
| Janis Kelly | Canada | Volleyball | 1996 Summer | |
| Jim Kelly [ Wikidata ] | Ireland | Athletics | 1924 Summer | |
| John Kelly | Australia | Equestrian eventing | 1964 Summer | |
| John Kelly | Ireland | Athletics | 1968 Summer | |
| Jack Kelly Sr. | United States | Rowing | 1920 Summer, 1924 Summer | |
| Jack Kelly Jr. | 1948 Summer, 1952 Summer, 1956 Summer, 1960 Summer | |
| Jon Kelly | Canada | Swimming | 1988 Summer | |
| Josh Kelly | Great Britain | Boxing | 2016 Summer | |
| Madeleine Kelly | Canada | Athletics | 2020 Summer | |
| Margaret Kelly | Great Britain | Swimming | 1976 Summer, 1980 Summer, 1988 Summer | |
| Martin Kelly | Australia | Judo | 2004 Summer | |
| Mary Kelly | Great Britain | Artistic gymnastics | 1936 Summer | |
| Maurice Kelly | Bahamas | Sailing | 1960 Summer | |
| Michael Kelly | United States | Shooting | 1920 Summer | |
| Michelle Kelly | Canada | Skeleton | 2002 Winter, 2010 Winter | |
| Pat Kelly | Speed skating | 1992 Winter, 1994 Winter | |
| Piper Kelly | United States | Sport climbing | 2024 Summer | |
| Shane Kelly | Australia | Track cycling | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Stephen Kelly | United States | Canoe sprint | 1972 Summer, 1976 Summer | |
| Steven Kelly | Canada | Shooting | 1976 Summer | |
| Steven Kelly | Bahamas | Sailing | 1984 Summer, 1988 Summer, 1992 Summer | |
| Ty Kelly | Israel | Baseball | 2020 Summer | |
| Wayne Kelly | Canada | Swimming | 1984 Summer | |
| Lukas Kelly-Heald | New Zealand | Football | 2024 Summer | |
| John Kelman | Barbados | Boxing | 1996 Summer | |
| Armandas Kelmelis | Lithuania | Rowing | 2016 Summer, 2020 Summer | |
| Majlinda Kelmendi | Albania, Kosovo | Judo | 2012 Summer, 2016 Summer, 2020 Summer | |
| Niina Kelo | Finland | Athletics | 2008 Summer | |
| Karen Kelsall | Canada | Artistic gymnastics | 1976 Summer | |
| Bobby Kelsey | Great Britain | Boxing | 1960 Summer | |
| Howard Kelsey | Canada | Basketball | 1984 Summer | |
| Lloyd Kelsey | United States | Tug of war | 1920 Summer | |
| Weston Kelsey | Fencing | 2004 Summer, 2008 Summer, 2012 Summer | |
| Alev Kelter | Rugby sevens | 2016 Summer, 2020 Summer, 2024 Summer | |
| Erol Kemah | Turkey | Wrestling | 1984 Summer, 1988 Summer | |
| Gloria Kemasuode | Nigeria | Athletics | 2004 Summer, 2008 Summer | |
| Sorel-Arthur Kembe | Republic of the Congo | Fencing | 2004 Summer | |
| Sidney Kemble | Great Britain | Weightlifting | 1948 Summer | |
| Ezekiel Kemboi | Kenya | Athletics | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Nicholas Kiptanui Kemboi | 2008 Summer | |
| Simon Kemboi | 1992 Summer, 1996 Summer | |
| Imre Kemecsey | Hungary | Canoe sprint | 1960 Summer, 1964 Summer | |
| Ferenc Kemény | Artistic gymnastics | 1952 Summer | |
| Imre Kemény | Rowing | 1952 Summer | |
| Pál Kémery | Equestrian dressage | 1936 Summer | |
| Valtteri Kemiläinen | Finland | Ice hockey | 2022 Winter | |
| Mohamed El-Kemissi | Tunisia | Road cycling | 1960 Summer | |
| Heather Kemkaran | Canada | Figure skating | 1980 Winter | |
| Gerard Kemkers | Netherlands | Speed skating | 1988 Winter | |
| Tabea Kemme | Germany | Football | 2016 Summer | |
| Heike Kemmer | Equestrian dressage | 2004 Summer, 2008 Summer | |
| Herbert Kemmer | Field hockey | 1928 Summer, 1936 Summer | |
| Caren Kemner | United States | Volleyball | 1988 Summer, 1992 Summer, 1996 Summer | |
| Erich Kemnitz | West Germany | Canoe sprint | 1968 Summer | |
| Gunnar Kemnitz | Brazil | Diving | 1948 Summer | |
| Ivan Kemnitz | Denmark | Fencing | 1972 Summer | |
| Magdalena Kemnitz | Poland | Rowing | 2004 Summer | |
| Adonis Kemp | Netherlands | Baseball | 1996 Summer | |
| Camilla Kemp | Germany | Surfing | 2024 Summer | |
| Dennis Kemp | Australia | Field hockey | 1956 Summer | |
| Francis Kemp | Great Britain | Shooting | 1912 Summer | |
| Gusty Kemp | Luxembourg | Football | 1936 Summer | |
| Ivanique Kemp | Bahamas | Athletics | 2012 Summer | |
| Jenny Kemp | United States | Swimming | 1972 Summer | |
| Johan Kemp | Finland | Athletics, Artistic gymnastics | 1908 Summer | |
| Peter Kemp | Great Britain | Swimming, Water polo | 1900 Summer | |
| Stacey Kemp | Figure skating | 2010 Winter, 2014 Winter | |
| Troy Kemp | Bahamas | Athletics | 1988 Summer, 1992 Summer, 1996 Summer | |
| Willem Kemp [ Wikidata ] | South Africa | Baseball | 2000 Summer | |
| Mariappa Kempaiah | India | Football | 1956 Summer, 1960 Summer | |
| Bob Kempainen | United States | Athletics | 1992 Summer, 1996 Summer | |
| Nancy Kemp-Arendt | Luxembourg | Swimming, Triathlon | 1988 Summer, 2000 Summer | |
| Antti Kempas | Finland | Athletics | 2008 Summer, 2012 Summer | |
| Carl Kempe | Sweden | Tennis | 1912 Summer | |
| Christophe Kempé | France | Handball | 2008 Summer | |
| Jay Kempe | Bermuda | Sailing | 1992 Summer | |
| Jimmy Kempe | 1956 Summer, 1960 Summer | |
| Reid Kempe | 1992 Summer | |
| Veit Kempe | East Germany | Figure skating | 1976 Winter | |
| Félicien Kempeneers | Belgium | Artistic gymnastics | 1920 Summer | |
| Jörg Kempenich | West Germany, Germany | Fencing | 1988 Summer, 1992 Summer | |
| Franz-Josef Kemper | West Germany | Athletics | 1968 Summer, 1972 Summer | |
| Hunter Kemper | United States | Triathlon | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Almut Kemperdick | West Germany | Volleyball | 1984 Summer | |
| Robbert Kemperman | Netherlands | Field hockey | 2012 Summer, 2016 Summer, 2020 Summer | |
| Andreas Kempf [ Wikidata ] | United States | Artistic gymnastics | 1904 Summer | |
| Andreas Kempf | Germany | Curling | 2006 Winter, 2010 Winter | |
| Hippolyt Kempf | Switzerland | Nordic combined | 1988 Winter, 1992 Winter, 1994 Winter | |
| Arci Kempner | Brazil | Archery | 1980 Summer | |
| Patty Kempner | United States | Swimming | 1960 Summer | |
| Stany Kempompo Ngangola | Democratic Republic of the Congo | 2008 Summer | |
| Antti-Jussi Kemppainen | Finland | Freestyle skiing | 2014 Winter | |
| Joonas Kemppainen | Ice hockey | 2018 Winter | |
| Marko Kemppainen | Shooting | 2004 Summer | |
| Nina Kemppel | United States | Cross country skiing | 1992 Winter, 1994 Winter, 1998 Winter, 2002 Winter | |
| Lotta Kemppinen | Finland | Athletics | 2024 Summer | |
| Albert Kempster | Great Britain | Shooting | 1908 Summer, 1912 Summer | |
| Ludovico Kempter | Argentina | Sailing | 1952 Summer | |
| Franz Kemser | Germany | Bobsleigh | 1952 Winter | |
| Franz Kemter | Austria | Artistic gymnastics | 1952 Summer | |
| H. J. Ken [ Wikidata ] | Art competitions | 1928 Summer | |
| Rich Kenah | United States | Athletics | 2000 Summer | |
| Miroslav Kenanov | Bulgaria | Biathlon | 2010 Winter, 2014 Winter | |
| Antoni Kenar | Poland | Art competitions | 1932 Summer, 1948 Summer | |
| Thelma Kench | New Zealand | Athletics | 1932 Summer | |
| Barbara Kendall | Sailing | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Bob Kendall | United States | Nordic combined | 1972 Winter | |
| Brett Kendall | New Zealand | Alpine skiing | 1976 Winter | |
| Bruce Kendall | Sailing | 1984 Summer, 1988 Summer, 1992 Summer | |
| Pat Kendall | Great Britain | Swimming | 1948 Summer | |
| Scott Kendall | New Zealand | Alpine skiing | 1980 Winter | |
| William Kendall | Australia | Swimming | 1936 Summer | |
| Rezső Kende | Hungary | Artistic gymnastics | 1928 Summer | |
| Yohan Kende | Israel | Swimming | 1968 Summer | |
| Tamás Kenderesi | Hungary | 2016 Summer, 2020 Summer | |
| Sahr Kendor | Sierra Leone | Athletics | 1980 Summer | |
| Peter Kendrew | Great Britain | Swimming | 1964 Summer | |
| Joe Kendrick | Ireland | Football | 1924 Summer | |
| Sam Kendricks | United States | Athletics | 2016 Summer, 2024 Summer | |
| David Kendziera | 2020 Summer | |
| Daniel Kenedy | Portugal | Football | 1996 Summer | |
| Sandra Kenel | Switzerland | Fencing | 1996 Summer | |
| Nursultan Keneshbekov | Kyrgyzstan | Athletics | 2020 Summer | |
| Dias Keneshev | Kazakhstan | Biathlon | 2010 Winter, 2014 Winter | |
| Béla Kenéz | Hungary | Wrestling | 1952 Summer | |
| György Kenéz | Water polo | 1976 Summer | |
| Keng Po-hsuan | Chinese Taipei | Baseball | 2004 Summer | |
| Monique Kengné | Cameroon | Athletics | 1992 Summer | |
| Jenny Keni | Solomon Islands | 2000 Summer, 2004 Summer | |
| Ronalds Ķēniņš | Latvia | Ice hockey | 2014 Winter, 2022 Winter | |
| J. Graham Kenion | Great Britain | Sailing | 1908 Summer | |
| Zokhid Kenjaev | Uzbekistan | Table tennis | 2016 Summer | |
| Janarbek Kenjeev | Kyrgyzstan | Wrestling | 2004 Summer, 2016 Summer | |
| Motokazu Kenjo | Japan | Sailing | 2000 Summer, 2004 Summer | |
| Johan Kenkhuis | Netherlands | Swimming | 2000 Summer, 2004 Summer | |
| Eizo Kenmotsu | Japan | Artistic gymnastics | 1968 Summer, 1972 Summer, 1976 Summer | |
| Paul Aloysius Kenna | Great Britain | Equestrian jumping, Equestrian eventing | 1912 Summer | |
| Peter Kennaugh | Track cycling | 2012 Summer | |
| Mark Kenneally | Ireland | Athletics | 2012 Summer | |
| Alanna Kennedy | Australia | Football | 2016 Summer, 2020 Summer, 2024 Summer | |
| Alex Kennedy | New Zealand | Rowing | 2016 Summer | |
| Angela Kennedy | Australia | Swimming | 1996 Summer | |
| Barry Kennedy | Canada | Modern pentathlon | 1988 Summer | |
| Bill Kennedy | Swimming | 1972 Summer | |
| Bob Kennedy | United States | Athletics | 1992 Summer, 1996 Summer | |
| Carlos Kennedy | Argentina | Swimming | 1932 Summer | |
| Corrina Kennedy | Canada | Canoe sprint | 1996 Summer | |
| Courtney Kennedy | United States | Ice hockey | 2002 Winter, 2006 Winter | |
| Duncan Kennedy | Luge | 1988 Winter, 1992 Winter, 1994 Winter | |
| Helen Kennedy | Canada | Swimming | 1964 Summer | |
| Iain Kennedy | Ireland | Rowing | 1976 Summer, 1980 Summer | |
| Izaac Kennedy | Australia | Cycling BMX racing | 2024 Summer | |
| John Kennedy | United States | Rowing | 1924 Summer | |
| Karen Kennedy | Great Britain | Artistic gymnastics | 1988 Summer | |
| Karol Kennedy | United States | Figure skating | 1948 Winter, 1952 Winter | |
| Kenneth Kennedy | Australia | Speed skating | 1936 Winter | |
| Lachlan Kennedy | Athletics | 2024 Summer | |
| Marc Kennedy | Canada | Curling | 2010 Winter, 2018 Winter, 2022 Winter | |
| Mark Kennedy | Jamaica | Boxing | 1988 Summer | |
| Nery Kennedy | Paraguay | Athletics | 1992 Summer, 2000 Summer | |
| Nina Kennedy | Australia | 2020 Summer, 2024 Summer | |
| Ohene Kennedy | Ghana | Football | 1996 Summer | |
| Patrick Kennedy | United States | Swimming | 1984 Summer | |
| Peter Kennedy | Figure skating | 1948 Winter, 1952 Winter | |
| Peter Kennedy | Ireland | Sailing | 1988 Summer, 1992 Summer | |
| Robert Kennedy | Great Britain | Field hockey | 1908 Summer | |
| Robert Kennedy | Athletics | 1936 Summer | |
| Russell Kennedy | Canada | Cross country skiing | 2018 Winter | |
| Sybil Kennedy | Art competitions | 1948 Summer | |
| Terry Kennedy | Ireland | Rugby sevens | 2020 Summer, 2024 Summer | |
| Thomas J. Kennedy | United States | Athletics | 1904 Summer | |
| William Kennedy | Canada | 1920 Summer | |
| Neil Kennedy-Cochran-Patrick | Great Britain | Sailing | 1952 Summer, 1956 Summer | |
| Sami Kennedy-Sim | Australia | Freestyle skiing | 2014 Winter, 2018 Winter, 2022 Winter | |
| Gerd Kennel | West Germany | Weightlifting | 1976 Summer | |
| Richard Kennelly | United States | Rowing | 1988 Summer, 1992 Summer | |
| Dylan Kennett | New Zealand | Track cycling | 2016 Summer | |
| Bob Kenney | United States | Basketball | 1952 Summer | |
| Kenneth Kennholt | Sweden | Ice hockey | 1992 Winter | |
| Ryad Kenniche | Algeria | Football | 2016 Summer | |
| Arturo Kenny | Argentina | Polo | 1924 Summer | |
| Carlos Kenny | Field hockey | 1968 Summer | |
| Clayton Kenny | Canada | Boxing | 1952 Summer | |
| Darragh Kenny | Ireland | Equestrian jumping | 2020 Summer | |
| David Kenny | Athletics | 2020 Summer | |
| Grant Kenny | Australia | Canoe sprint | 1984 Summer, 1988 Summer | |
| Jason Kenny | Great Britain | Track cycling | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Jodie Kenny | Australia | Field hockey | 2012 Summer, 2016 Summer | |
| Laura Kenny | Great Britain | Track cycling | 2012 Summer, 2016 Summer, 2020 Summer | |
| Michael Kenny | New Zealand | Boxing | 1984 Summer | |
| Patrick Kenny | Ireland | 1960 Summer | |
| Keamogetse Kenosi | Botswana | 2020 Summer | |
| Fanuel Kenosi | Athletics | 2008 Summer | |
| Wilfrid Kent Hughes | Australia | 1920 Summer | |
| Albert Kent | Canada | Rowing | 1912 Summer | |
| Bruce Kent | New Zealand | Track cycling | 1956 Summer | |
| Dean Kent | Swimming | 2000 Summer, 2004 Summer, 2008 Summer | |
| Harry Kent | Track cycling | 1972 Summer | |
| Julie Kent | Australia | Diving | 1984 Summer, 1988 Summer | |
| Paul Kent | New Zealand | Swimming | 1996 Summer | |
| Steven Kent | 2012 Summer | |
| Terry Kent | United States | Canoe sprint | 1984 Summer, 1988 Summer, 1992 Summer | |
| Avtandil Kentchadze | Georgia | Wrestling | 2020 Summer | |
| Konstantinos Kenteris | Greece | Athletics | 2000 Summer | |
| Brian Kent-Smith | Great Britain | 1960 Summer | |
| Eino Kenttä | Finland | 1928 Summer | |
| Gus Kenworthy | United States, Great Britain | Freestyle skiing | 2014 Winter, 2018 Winter, 2022 Winter | |
| Shirra Kenworthy | Canada | Figure skating | 1964 Winter | |
| József Kenyeres | Hungary | Handball | 1976 Summer, 1980 Summer | |
| Alajos Kenyery | Swimming | 1912 Summer | |
| Santino Kenyi | South Sudan | Athletics | 2016 Summer | |
| James Kenyon | Canada | Shooting | 1912 Summer | |
| Alina Kenzel | Germany | Athletics | 2024 Summer | |
| Abdelhani Kenzi | Algeria | Boxing | 2000 Summer, 2004 Summer | |
| Aifric Keogh | Ireland | Rowing | 2020 Summer, 2024 Summer | |
| Damian Keogh | Australia | Basketball | 1984 Summer, 1988 Summer, 1992 Summer | |
| Michael Keogh | Ireland | Athletics | 1972 Summer | |
| Joseph Keosseian | Puerto Rico | Bobsleigh | 1998 Winter | |
| Anne Keothavong | Great Britain | Tennis | 2012 Summer | |
| Harry Keough | United States | Football | 1952 Summer, 1956 Summer | |
| Linda Keough | Great Britain | Athletics | 1988 Summer | |
| J. P. Kepka | United States | Short track speed skating | 2006 Winter | |
| Augusts Kepke | Russia | Road cycling | 1912 Summer | |
| Kārlis Kepke | 1912 Summer | |
| Raymond Keppens | Belgium | Field hockey | 1920 Summer | |
| Stephan Keppler | Germany | Alpine skiing | 2010 Winter | |
| Birgit Keppler-Stein | Freestyle skiing | 1992 Winter, 1994 Winter | |
| Abraham Kepsin | Vanuatu | Athletics | 2000 Summer | |
| Michael Ker | Canada | Swimming | 1976 Summer | |
| Toni Keränen | Finland | Athletics | 2024 Summer | |
| Mathilde de Kerangat | France | Sailing | 2016 Summer | |
| Andrey Keranov | Bulgaria | Artistic gymnastics | 1976 Summer | |
| Georgi Keranov | Shooting | 1952 Summer | |
| Paul Kerb | Austria | Fencing | 1952 Summer, 1960 Summer | |
| Angelique Kerber | Germany | Tennis | 2012 Summer, 2016 Summer, 2024 Summer | |
| Robert Kerber | United States | Swimming | 1932 Summer | |
| Francis Kerbiriou | France | Athletics | 1972 Summer, 1976 Summer | |
| Jordan Kerby | New Zealand | Track cycling | 2020 Summer | |
| Aleksandr Kerchenko | Soviet Union | Speed skating | 1968 Winter | |
| Hermann Kerckhoff | Canada | Canoe slalom | 1972 Summer | |
| Aleksandar Kerčov | Yugoslavia | Canoe sprint | 1960 Summer, 1964 Summer | |
| Aleksandrs Kerčs | Latvia | Ice hockey | 2002 Winter | |
| Valery Kerdemelidi | Soviet Union | Artistic gymnastics | 1960 Summer | |
| Johnson Kere | Solomon Islands | Athletics | 1984 Summer | |
| Jean Kerebel | France | 1948 Summer | |
| István Kerek | Hungary | Weightlifting | 1988 Summer | |
| Andrei Kerekeș | Romania | Artistic gymnastics | 1952 Summer | |
| Gréta Kerekes | Hungary | Athletics | 2024 Summer | |
| Tamás Kerékjártó | Swimming | 1996 Summer, 2004 Summer, 2008 Summer | |
| Robert Keres | Estonia | Basketball | 1936 Summer | |
| Attila Keresztes | Hungary, United States | Fencing | 1956 Summer, 1964 Summer | |
| Lajos Keresztes | Hungary | Wrestling | 1924 Summer, 1928 Summer | |
| Alexandra Keresztesi | Argentina | Canoe sprint | 2016 Summer | |
| Ervin Kereszthy | Hungary | Rowing | 1936 Summer | |
| Josua Kerevi | Japan | Rugby sevens | 2024 Summer | |
| Samu Kerevi | Australia | 2020 Summer | |
| Ainur Kerey | Kazakhstan | Artistic swimming | 2008 Summer | |
| Angel Kerezov | Bulgaria | Wrestling | 1964 Summer | |
| József Keresztessy | Hungary | Artistic gymnastics | 1912 Summer | |
| Loïc De Kergret | France | Volleyball | 2004 Summer | |
| Remalda Kergytė-Dauskurdienė | Lithuania | Athletics | 2012 Summer | |
| Stephen Kerho | Canada | 1988 Summer | |
| İlham Kərimov | Azerbaijan | Boxing | 1996 Summer | |
| Judit Kéri-Novák | Hungary | Rowing | 1976 Summer, 1980 Summer | |
| Daniela Kerkelova | Bulgaria | Weightlifting | 2000 Summer | |
| Sanne van Kerkhof | Netherlands | Short track speed skating | 2010 Winter, 2014 Winter | |
| Yara van Kerkhof | 2014 Winter, 2018 Winter, 2022 Winter | |
| Truus Kerkmeester | Swimming | 1936 Summer | |
| Snezhana Kerkova | Bulgaria | Athletics | 1960 Summer, 1964 Summer | |
| Bibija Kerla | Yugoslavia | Speed skating | 1984 Winter, 1988 Winter | |
| Brian Kerle | Australia | Basketball | 1972 Summer | |
| Fred Kerley | United States | Athletics | 2020 Summer, 2024 Summer | |
| Sean Kerly | Great Britain | Field hockey | 1984 Summer, 1988 Summer, 1992 Summer | |
| Michel Kermarec | France | Sailing | 1988 Summer | |
| Romy Kermer | East Germany | Figure skating | 1976 Winter | |
| Ján Kermiet | Czechoslovakia | Shooting | 1988 Summer | |
| Harry Kermode | Canada | Basketball | 1948 Summer | |
| Angelika Kern | West Germany | Artistic gymnastics | 1968 Summer, 1972 Summer | |
| Doug Kern | United States | Sailing | 1992 Summer | |
| Erwin Kern | Germany | Athletics | 1912 Summer | |
| Julia Kern | United States | Cross country skiing | 2022 Winter | |
| Nicolai Kern | Switzerland | Rowing | 1996 Summer | |
| Ralph Kern | West Germany | Artistic gymnastics | 1988 Summer | |
| Sean Kern | United States | Water polo | 2000 Summer | |
| Terry Kern | Ski jumping | 1976 Winter | |
| James Kernan | Ireland | Equestrian jumping | 1992 Summer | |
| Bruno Kernen | Switzerland | Alpine skiing | 1998 Winter, 2002 Winter, 2006 Winter | |
| Harry Kernoff | Ireland | Art competitions | 1928 Summer | |
| Hugh Kernohan | Great Britain | Fencing | 1988 Summer | |
| Tuomo Kerola | Finland | Swimming | 1976 Summer | |
| Kerolin | Brazil | Football | 2024 Summer | |
| Neil Keron | Great Britain | Rowing | 1976 Summer | |
| Andrew Kerr | Australia | Water polo | 1976 Summer, 1980 Summer, 1984 Summer, 1988 Summer | |
| Aneka Kerr | New Zealand | Basketball | 2004 Summer, 2008 Summer | |
| Ann Maree Kerr | Australia | Rhythmic gymnastics | 1984 Summer | |
| Bertie Kerr | Ireland | Football | 1924 Summer | |
| Billy Kerr | Road cycling | 1980 Summer | |
| Crawford Kerr | Great Britain | Athletics | 1924 Summer | |
| Deborah Kerr | Canoe sprint | 2020 Summer | |
| Errol Kerr | Jamaica | Freestyle skiing | 2010 Winter | |
| Genai Kerr | United States | Water polo | 2004 Summer | |
| George Kerr | Jamaica, West Indies Federation | Athletics | 1956 Summer, 1960 Summer, 1964 Summer | |
| Gordon Kerr | Canada | Swimming | 1936 Summer | |
| Hamish Kerr | New Zealand | Athletics | 2020 Summer, 2024 Summer | |
| Harry Kerr | Australasia | 1908 Summer | |
| Harry Kerr | Canada | Shooting | 1908 Summer | |
| Ian Kerr | New Zealand | Field hockey | 1960 Summer, 1964 Summer | |
| Ian Kerr | Bahamas | Athletics | 2024 Summer | |
| James Kerr | Virgin Islands | Fencing | 1984 Summer | |
| Jane Kerr | Canada | Swimming | 1984 Summer, 1988 Summer | |
| John Kerr | Sailing | 1984 Summer | |
| John Kerr | Great Britain | Figure skating | 2006 Winter, 2010 Winter | |
| Jordan Kerr | Australia | Tennis | 2008 Summer | |
| Josh Kerr | Great Britain | Athletics | 2020 Summer, 2024 Summer | |
| Robert Kerr | Canada | 1904 Summer, 1908 Summer | |
| Ruth Kerr | Swimming | 1932 Summer | |
| Sam Kerr | Australia | Football | 2016 Summer, 2020 Summer | |
| Sinead Kerr | Great Britain | Figure skating | 2006 Winter, 2010 Winter | |
| Edward Kerridge | Track cycling | 1928 Summer | |
| Nancy Kerrigan | United States | Figure skating | 1992 Winter, 1994 Winter | |
| Brahim Kerrit | Tunisia | Football | 1960 Summer | |
| Brendan Kerry | Australia | Figure skating | 2014 Winter, 2018 Winter, 2022 Winter | |
| Mark Kerry | Swimming | 1976 Summer, 1980 Summer, 1984 Summer | |
| Marie-José Kersaudy | France | 1968 Summer | |
| Manfred Kersch | Germany | Athletics | 1936 Summer | |
| Eduard Kerschbaumer | Austria | Boxing | 1948 Summer | |
| Gerhard Kerschbaumer | Italy | Cycling mountain bike | 2012 Summer, 2020 Summer | |
| Isabel Kerschowski | Germany | Football | 2016 Summer | |
| Cecil Kershaw | Great Britain | Fencing | 1920 Summer, 1924 Summer | |
| Devon Kershaw | Canada | Cross country skiing | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Rebecca Kershaw | Great Britain | Water polo | 2012 Summer | |
| Stephanie Kershaw | Australia | Field hockey | 2020 Summer, 2024 Summer | |
| Henk Kersken | Netherlands | Sailing | 1928 Summer | |
| William Kerslake | United States | Wrestling | 1952 Summer, 1956 Summer, 1960 Summer | |
| Milenko Kersnić | Yugoslavia | Artistic gymnastics | 1968 Summer, 1972 Summer | |
| Alojz Kerštajn | Cross country skiing | 1968 Winter | |
| Robert Kerštajn | Slovenia | 1992 Winter | |
| Cornelius Kersten | Great Britain | Speed skating | 2022 Winter | |
| Dagmar Kersten | East Germany | Artistic gymnastics | 1988 Summer | |
| Dieter Kersten | Belgium | Athletics | 2020 Summer | |
| Lisa Kersten | New Zealand | Softball | 2000 Summer | |
| Peter Kersten | East Germany | Rowing | 1980 Summer | |
| Niels Kerstholt | Netherlands | Short track speed skating | 2006 Winter, 2010 Winter, 2014 Winter | |
| Sarah Kerswell | Great Britain | Swimming | 1980 Summer | |
| Radion Kertanti | Slovakia | Wrestling | 1996 Summer, 2000 Summer | |
| Alice Kertész | Hungary | Artistic gymnastics | 1956 Summer | |
| József Kertész | Ice hockey | 1964 Winter | |
| Werner Kerth | Austria | 1988 Winter, 1994 Winter | |
| Douglas Kertland | Canada | Rowing | 1908 Summer | |
| Eevert Kerttula | Finland | Artistic gymnastics | 1924 Summer | |
| Erkki Kerttula | Fencing | 1948 Summer, 1952 Summer | |
| Guéric Kervadec | France | Handball | 1996 Summer, 2000 Summer, 2004 Summer | |
| Marcel de Kerviler | Sailing | 1948 Summer, 1952 Summer | |
| Esa Kervinen | Finland | Shooting | 1960 Summer, 1964 Summer, 1972 Summer | |
| Charlotte Kerwood | Great Britain | 2008 Summer, 2012 Summer | |
| Anikó Kéry | Hungary | Artistic gymnastics | 1972 Summer | |
| Jérémy Keryhuel | Ivory Coast | Fencing | 2024 Summer | |
| Teppo Kesäläinen | Finland | Rowing | 1964 Summer | |
| Viktoriya Kesar | Ukraine | Diving | 2020 Summer, 2024 Summer | |
| Herbert Kesel | Saar | Rowing | 1952 Summer | |
| Ajna Késely | Hungary | Swimming | 2016 Summer, 2020 Summer, 2024 Summer | |
| Alajos Keserű | Water polo | 1924 Summer, 1928 Summer, 1932 Summer | |
| Ferenc Keserű | 1924 Summer, 1928 Summer, 1932 Summer | |
| Ferenc Keserű | Road cycling | 1968 Summer | |
| Shiva Keshavan | India, Independent Olympians | Luge | 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Christine Keshen | Canada | Curling | 2006 Winter | |
| Mohamed Keshk | Egypt | Handball | 2004 Summer | |
| Jalal Keshmiri | Iran | Athletics | 1964 Summer, 1968 Summer | |
| Denys Kesil | Ukraine | Swimming | 2020 Summer, 2024 Summer | |
| Karl Keska | Great Britain | Athletics | 2000 Summer | |
| Zekiye Keskin Şatır | Turkey | Archery | 2000 Summer, 2004 Summer, 2008 Summer | |
| Erol Keskin | Football | 1948 Summer | |
| Mikko Keskinarkaus | Finland | Nordic combined | 2002 Winter | |
| Akseli Keskinen | Sailing | 2020 Summer, 2024 Summer | |
| Esa Keskinen | Ice hockey | 1988 Winter, 1994 Winter | |
| Sylvi Keskinen | Athletics | 1952 Summer | |
| Jukka Keskisalo | 2012 Summer | |
| Petri Keskitalo | 1988 Summer, 1992 Summer | |
| Sinikka Keskitalo | 1984 Summer, 1988 Summer | |
| Kaija-Liisa Keskivitikka | Speed skating | 1964 Winter, 1968 Winter | |
| Reinhold Kesküll | Estonia | Athletics | 1924 Summer | |
| Ryan Kesler | United States | Ice hockey | 2010 Winter, 2014 Winter | |
| Kornél Késmárki | Hungary | Athletics | 1928 Summer | |
| Inga Kesper | Germany | Biathlon | 1992 Winter | |
| Farouk Kesrouani | Lebanon | Boxing | 1972 Summer | |
| Amanda Kessel | United States | Ice hockey | 2014 Winter, 2018 Winter, 2022 Winter | |
| Jürgen Kessel | East Germany | Volleyball | 1968 Summer | |
| Laurel Kessel | United States | 1988 Summer | |
| Lieve van Kessel | Netherlands | Field hockey | 2004 Summer | |
| Phil Kessel | United States | Ice hockey | 2010 Winter, 2014 Winter | |
| Yosvani Kessel | Cuba | Judo | 2000 Summer | |
| Paulus Kessels | Netherlands | Shooting | 1948 Summer | |
| Sonja Kesselschläger | Germany | Athletics | 2004 Summer, 2008 Summer | |
| Fredrik Kessiakoff | Sweden | Cycling mountain bike | 2004 Summer, 2008 Summer | |
| Alex Kessidis | Wrestling | 2020 Summer | |
| Franck Kessié | Ivory Coast | Football | 2020 Summer | |
| Norbert Keßlau | West Germany | Rowing | 1984 Summer, 1988 Summer | |
| Charles Kessler | Switzerland | Ice hockey | 1936 Winter | |
| Dino Kessler | 1992 Winter | |
| Herbert Kessler | 1936 Winter | |
| Hobbs Kessler | United States | Athletics | 2024 Summer | |
| Jeanette Kessler | Great Britain | Alpine skiing | 1936 Winter | |
| Markus Kessler | Switzerland | Rowing | 2020 Summer | |
| Reed Kessler | United States | Equestrian jumping | 2012 Summer | |
| Romi Kessler | Switzerland | Artistic gymnastics | 1984 Summer | |
| William Kessler | United States | Handball | 1984 Summer, 1988 Summer | |
| Karin Kessow | East Germany | Speed skating | 1976 Winter | |
| Jennifer Kessy | United States | Beach volleyball | 2012 Summer | |
| Jacques Kesteloot | Belgium | Fencing | 1928 Summer | |
| Cláudio Kestener | Brazil | Swimming | 1980 Summer | |
| Rolf Kestener | 1948 Summer | |
| Ueli Kestenholz | Switzerland | Snowboarding | 1998 Winter, 2002 Winter, 2006 Winter | |
| Jeanne Van Kesteren | Belgium | Athletics | 1936 Summer | |
| Peter Kesting | Australia | Road cycling | 1976 Summer | |
| Otto Kestola | Finland | Artistic gymnastics | 1960 Summer, 1964 Summer | |
| Scott Keswick | United States | 1992 Summer | |
| Margareta Keszeg | Romania | Athletics | 1992 Summer | |
| Andrea Keszler | Hungary | Short track speed skating | 2010 Winter, 2014 Winter, 2018 Winter | |
| Uschi Keszler | Germany | Figure skating | 1964 Winter | |
| Rita Keszthelyi | Hungary | Water polo | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Rudolf Keszthelyi | Artistic gymnastics | 1960 Summer | |
| Szvetlana Keszthelyi | Alpine skiing | 1994 Winter | |
| Tibor Keszthelyi | Water polo | 1988 Summer | |
| Ket Sivan | Cambodia | Swimming | 2004 Summer | |
| Gela Ketashvili | Soviet Union | Football | 1988 Summer | |
| Sirivanh Ketavong | Laos | Athletics | 1996 Summer, 2000 Summer | |
| Si Mohamed Ketbi | Belgium | Taekwondo | 2016 Summer | |
| Dan Ketchum | United States | Swimming | 2004 Summer | |
| Emma Kete | New Zealand | Football | 2008 Summer | |
| Martti Ketelä | Finland | Modern pentathlon | 1968 Summer, 1972 Summer | |
| Lemawork Ketema | Austria | Athletics | 2020 Summer | |
| Mano Ketenzhiev | Bulgaria | Cross country skiing | 1988 Winter | |
| Benard Keter | United States | Athletics | 2020 Summer | |
| Erick Keter | Kenya | 1992 Summer, 1996 Summer, 2000 Summer | |
| Joseph Keter | 1996 Summer | |
| Kiptalam Keter | 1956 Summer | |
| Nuttapong Ketin | Thailand | Swimming | 2012 Summer | |
| Souliyasak Ketkeolatsami | Laos | Athletics | 1996 Summer | |
| Veli-Pekka Ketola | Finland | Ice hockey | 1968 Winter, 1972 Winter | |
| Georgy Ketoev | Russia, Armenia | Wrestling | 2008 Summer, 2016 Summer | |
| Alex Ketrzynski | Canada | Volleyball | 1984 Summer | |
| Émile Kets | Belgium | Basketball | 1948 Summer | |
| Nicolas Kettel | Luxembourg | Football | 1948 Summer | |
| Emil Ketterer | Germany | Athletics | 1912 Summer | |
| Markus Ketterer | Finland | Ice hockey | 1992 Winter | |
| Gusztáv Kettesi | Hungary | Swimming | 1952 Summer | |
| Danielle Kettlewell | Australia | Artistic swimming | 2016 Summer | |
| Michelle Kettner | Weightlifting | 2000 Summer | |
| Nils Kettner | Sweden | Equestrian eventing | 1928 Summer | |
| Steve Kettner | Australia | Weightlifting | 1992 Summer, 1996 Summer | |
| Elina Kettunen | Finland | Figure skating | 2002 Winter | |
| Lauri Kettunen | Fencing, Modern pentathlon | 1928 Summer, 1936 Summer | |
| Outi Kettunen | Biathlon | 2002 Winter | |
| Joëlle De Keukeleire | Belgium | Artistic gymnastics | 1976 Summer | |
| Atje Keulen-Deelstra | Netherlands | Speed skating | 1972 Winter | |
| Mike Keuler | United States | Ski jumping | 1998 Winter | |
| Keum Ji-hyeon | South Korea | Shooting | 2024 Summer | |
| Aktenge Keunimjaeva | Uzbekistan | Wrestling | 2024 Summer | |
| Maartje Keuning | Netherlands | Water polo | 2020 Summer, 2024 Summer | |
| Steven Kevi | Papua New Guinea | Boxing | 1992 Summer, 1996 Summer | |
| David Kevkhishvili | Georgia | Judo | 2004 Summer, 2008 Summer | |
| Mariam Kevkhishvili | Athletics | 2004 Summer, 2008 Summer | |
| Valentina Kevliyan | Bulgaria | Rhythmic gymnastics | 1996 Summer | |
| Helen Kevric | Germany | Artistic gymnastics | 2024 Summer | |
| Carole Keyes | Canada | Luge | 1976 Winter, 1980 Winter, 1984 Winter | |
| Julius Keyl | Germany | Athletics | 1900 Summer | |
| Rudolf Keyper [ Wikidata ] | Denmark | Equestrian dressage | 1912 Summer | |
| Ghassan Keyrouz | Lebanon | Alpine skiing | 1968 Winter, 1972 Winter | |
| Jean Keyrouz | 1956 Winter, 1964 Winter | |
| Naji Keyrouz | Judo | 1980 Summer | |
| Victor Keyru | Russia | Basketball | 2008 Summer | |
| Benjamin Keys | United States | Archery | 1904 Summer | |
| George Keys | New Zealand | Rowing | 1984 Summer, 1988 Summer | |
| Madison Keys | United States | Tennis | 2016 Summer | |
| Jacques Keyser | Netherlands | Athletics | 1908 Summer | |
| Lawrence Keyte | Canada | Modern pentathlon | 1988 Summer | |
| Seddon Keyter | South Africa | Swimming | 1992 Summer | |
| John Keyworth | Great Britain | Archery | 1908 Summer | |
| Arie de Keyzer | Netherlands | Field hockey | 1964 Summer, 1968 Summer | |
| Christian Kezel | France | Shooting | 1988 Summer, 1992 Summer | |
| Maja Kezele | Croatia | Cross country skiing | 2002 Winter, 2006 Winter | |
| Eleonora Kezhova | Bulgaria | Rhythmic gymnastics | 2000 Summer, 2004 Summer | |
| Zsuzsanna Kézi | Hungary | Handball | 1976 Summer | |
| Benny Kgarametso | Botswana | Athletics | 1988 Summer | |
| Thembi Kgatlana | South Africa | Football | 2016 Summer | |
| Kabelo Kgosiemang | Botswana | Athletics | 2008 Summer | |
| Shota Khabareli | Soviet Union | Judo | 1980 Summer | |
| Boris Khabarov | Sailing | 1972 Summer | |
| Irina Khabarova | Russia | Athletics | 2000 Summer, 2004 Summer | |
| Leri Khabelov | Soviet Union, Unified Team, Russia | Wrestling | 1988 Summer, 1992 Summer, 1996 Summer | |
| Muzakhid Khabibulin | Soviet Union | Speed skating | 1964 Winter | |
| Nikolai Khabibulin | Russia | Ice hockey | 2002 Winter | |
| Turabek Khabibullaev | Uzbekistan | Boxing | 2024 Summer | |
| Svetlana Khabirova | Russia | Weightlifting | 2000 Summer | |
| Ravil Khabutdinov | Soviet Union | 1956 Summer | |
| Karen Khachanov | Russian Olympic Committee | Tennis | 2020 Summer | |
| Ara Khachatryan | Armenia | Weightlifting | 2008 Summer, 2012 Summer | |
| Edmond Khachatryan | Cross country skiing | 2006 Winter | |
| Gagik Khachatryan | Weightlifting | 2000 Summer | |
| Kristine Khachatryan | Cross country skiing | 2010 Winter | |
| Samson Khachatryan | Soviet Union | Boxing | 1980 Summer | |
| Ani Khachikyan | Armenia | Athletics | 2008 Summer | |
| Brackcides Khadambi | Kenya | Beach volleyball | 2020 Summer | |
| Khadangbam Kothajit Singh | India | Field hockey | 2016 Summer | |
| Vlad Khadarin | Russian Olympic Committee | Snowboarding | 2018 Winter, 2022 Winter | |
| Makharbek Khadartsev | Soviet Union, Unified Team, Russia, Uzbekistan | Wrestling | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Pavel Khadasevich | Belarus | Weightlifting | 2016 Summer | |
| Virdhawal Khade | India | Swimming | 2008 Summer | |
| Amir Reza Khadem | Iran | Wrestling | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Mohammad Khadem | 1960 Summer | |
| Rasoul Khadem | 1992 Summer, 1996 Summer | |
| Stoyko Khadilev | Bulgaria | Rowing | 1980 Summer | |
| Hammou Haddaoui Khadir | Morocco | Wrestling | 1960 Summer | |
| Artyom Khadjibekov | Russia | Shooting | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Zelimkhan Khadjiev | France | Wrestling | 2016 Summer | |
| Jayaram Khadka | Nepal | Cross country skiing | 2002 Winter | |
| Vichairachanon Khadpo | Thailand | Boxing | 1988 Summer, 1992 Summer, 1996 Summer | |
| Rashid Khadr | Egypt | Athletics | 1948 Summer | |
| Ali Al-Khadrawi | Saudi Arabia | Table tennis | 2020 Summer | |
| Mohamed Khadry | Egypt | Water polo | 1948 Summer | |
| Mitko Khadzhiev | Bulgaria | Alpine skiing | 1980 Winter, 1984 Winter | |
| Nina Khadzhiyankova | Basketball | 1988 Summer | |
| Lê Quang Khải | Vietnam | Athletics | 1980 Summer | |
| Rishat Khaibullin | Kazakhstan | Sport climbing | 2020 Summer | |
| Lotfi Khaïda | Algeria | Athletics | 1988 Summer, 1992 Summer | |
| Timur Khaidarov | Kazakhstan | Canoe sprint | 2016 Summer, 2024 Summer | |
| Serhiy Khaindrava | Unified Team, Ukraine | Sailing | 1992 Summer, 1996 Summer | |
| Thin Thin Khaing | Myanmar | Archery | 2004 Summer | |
| Taj Mohammad Khairi | Afghanistan | Wrestling | 1988 Summer | |
| Ruslan Khairov | Azerbaijan | Boxing | 2000 Summer, 2004 Summer | |
| Ahmed Khairy | Egypt | Athletics | 1920 Summer | |
| Mohamed Khairy | Equestrian jumping | 1952 Summer | |
| Tiranan Khajornklinmala | Thailand | Shooting | 1984 Summer, 1988 Summer | |
| David Khakhaleishvili | Unified Team | Judo | 1992 Summer | |
| Sviatlana Khakhlova | Belarus | Swimming | 2004 Summer, 2008 Summer, 2012 Summer | |
| Malika Khakimova | Uzbekistan | Fencing | 2020 Summer | |
| Faiz Mohammad Khaksar | Afghanistan | Wrestling | 1960 Summer, 1964 Summer | |
| Ruslan Khakymov | Ukraine | 1996 Summer | |
| Tetyana Khala | Swimming | 2008 Summer | |
| Tatsiana Khaladovich | Belarus | Athletics | 2016 Summer, 2020 Summer | |
| Abbas Khalaf | Iraq | Boxing | 1984 Summer | |
| Ahmed Ibrahim Khalaf | Football | 2016 Summer | |
| Ibrahim Khalaf | Jordan | Judo | 2016 Summer | |
| Nancy Khalaf | Lebanon | Swimming | 1988 Summer | |
| Shaimaa Khalaf | Egypt | Weightlifting | 2016 Summer | |
| Ali Khalafalla | Swimming | 2016 Summer, 2020 Summer | |
| Vitaliy Khalchaytskiy | Ukraine | Water polo | 1996 Summer | |
| Hajar Al-Khaldi | Bahrain | Athletics | 2016 Summer | |
| Mohamed Khaldi | Algeria | 2000 Summer, 2004 Summer | |
| Abdulrahman Khaled | Bahrain | Fencing, Modern pentathlon | 1988 Summer | |
| Khaled El-Khaled | Syria | Wrestling | 1980 Summer | |
| Mohamed Khaled | Egypt | Basketball | 1984 Summer | |
| Mohamed Essam Khaled | 1972 Summer, 1976 Summer | |
| Nouba Khaled | France | Athletics | 1936 Summer | |
| Omar Khaled Abdelhady Mohamed [ Wikidata ] | Egypt | Shooting | 2024 Summer | |
| Yehia Nabil Khaled | Football | 1992 Summer | |
| Alisa Khaleyeva | Azerbaijan | Swimming | 2000 Summer | |
| Sofiane Khalfallah | Algeria | Handball | 1996 Summer | |
| Aziz Khalfi | Morocco | Wrestling | 1996 Summer | |
| Sadok Khalgui | Tunisia | Judo | 2000 Summer | |
| Kirill Khaliavin | Spain | Figure skating | 2018 Winter | |
| Muhammad Khalid | Pakistan | Field hockey | 1992 Summer, 1996 Summer | |
| Abdullah Salem Al-Khalidi | Oman | Athletics | 1988 Summer, 1992 Summer | |
| Khaled Al-Khalidi | Saudi Arabia | 1992 Summer, 1996 Summer | |
| Mohamed Abdel Aziz Khalifa | Egypt, United Arab Republic | Swimming, Water polo | 1948 Summer, 1952 Summer, 1960 Summer | |
| Mohamed Asswai Khalifa | Libya | Athletics | 1968 Summer | |
| Moujhed Fahid Khalifa | Iraq | 1980 Summer | |
| Omer Khalifa | Sudan | 1984 Summer, 1988 Summer | |
| Salem Khalifa | Saudi Arabia | 1976 Summer | |
| Shaban Khalifa | Egypt | Volleyball | 1984 Summer | |
| Sultan Khalifa | United Arab Emirates | Road cycling | 1988 Summer | |
| Ahmed Khalil Al-Khaldi | Qatar | Football | 1992 Summer | |
| Ahmed Khalil | United Arab Emirates | 2012 Summer | |
| Hisham Khalil | Egypt | Basketball | 1988 Summer | |
| Ibrahim Khalil | Diving | 1936 Summer | |
| Ismail Khalil | Iraq | Boxing | 1980 Summer, 1984 Summer | |
| Jean Khalil | Lebanon | Alpine skiing | 1992 Winter | |
| Mahmoud Khalil | Egypt | Handball | 2016 Summer | |
| Mohamed Khalil | Water polo | 1964 Summer | |
| Nabil Khalil | Lebanon | Alpine skiing | 1984 Winter | |
| Remas Khalil [ Wikidata ] | Egypt | Shooting | 2024 Summer | |
| Safwan Khalil | Australia | Taekwondo | 2012 Summer, 2016 Summer, 2020 Summer | |
| Sayed Khalil | Egypt | Volleyball | 2000 Summer | |
| Sherif Khalil | Water polo | 2004 Summer | |
| Abdul Khalili | Sweden | Football | 2016 Summer | |
| Said Karimulla Khalili | Russian Olympic Committee | Biathlon | 2022 Winter | |
| Igor Khalilov | Uzbekistan | Weightlifting | 1996 Summer, 2000 Summer, 2004 Summer | |
| Mikhaylo Khalilov | Ukraine | Road cycling | 1996 Summer | |
| Danil Khalimov | Kazakhstan | Wrestling | 2004 Summer | |
| Abdul Khaliq | Pakistan | Athletics | 1956 Summer, 1960 Summer | |
| Georgios Khalkiopoulos | Greece | Water polo | 1924 Summer | |
| Mohamed Khalladi | Tunisia | Handball | 1972 Summer | |
| Youmna Khallaf | Egypt | Artistic swimming | 2008 Summer, 2012 Summer | |
| Saad Khalloqi | Morocco | Swimming | 2000 Summer | |
| Dilshot Khalmatov | Ukraine | Judo | 2024 Summer | |
| Wan Khalmizam | Malaysia | Archery | 2008 Summer | |
| Muradjan Khalmuratov | Uzbekistan | Road cycling | 2012 Summer, 2020 Summer | |
| Khasan Khalmurzaev | Russia | Judo | 2016 Summer | |
| Abdumalik Khalokov | Uzbekistan | Boxing | 2024 Summer | |
| Rabah Khaloufi | France | 1972 Summer | |
| Mehdi Khalsi | Morocco | 2008 Summer, 2012 Summer | |
| Marina Khalturina | Kazakhstan | Figure skating | 1998 Winter | |
| Amir Jan Khalunder | Afghanistan | Wrestling | 1960 Summer | |
| Metodi Khalvadzhiski | Bulgaria | Rowing | 1972 Summer | |
| Valentina Khalzova | Kazakhstan | Boxing | 2024 Summer | |
| Alina Kham | Soviet Union | Field hockey | 1980 Summer | |
| Surodchana Khambao | Thailand | Weightlifting | 2024 Summer | |
| Khambieng Khamiar | Laos | Athletics | 1992 Summer | |
| Baizat Khamidova | Russian Olympic Committee | Rugby sevens | 2020 Summer | |
| Navbakhor Khamidova | Uzbekistan | Boxing | 2024 Summer | |
| Arthur Khamidulin | Russia | Ski jumping | 1998 Winter | |
| Pavel Khamidulin | Track cycling | 1996 Summer | |
| Aadam Ismaeel Khamis | Bahrain | Athletics | 2008 Summer | |
| Abbas Khamis | United Arab Republic, Egypt | Rowing | 1960 Summer, 1964 Summer | |
| Abdel Hamid Khamis | Egypt | Athletics | 1972 Summer | |
| Ali Khamis | Bahrain | 2016 Summer | |
| Ibrahim Khamis | United Arab Emirates | 1984 Summer | |
| Khalifa Hamad Khamis | Bahrain | Fencing | 1988 Summer | |
| Majid Al-Khamis | Kuwait | Handball | 1980 Summer | |
| Mohamed Khamis | United Arab Emirates | Swimming | 1992 Summer | |
| Timur Khamitgatin | Kazakhstan | Biathlon | 2018 Winter | |
| Dmitry Khamkin | Russia | Luge | 2006 Winter | |
| Iakiv Khammo | Ukraine | Judo | 2016 Summer, 2020 Summer | |
| Seuth Khampa | Laos | Athletics | 1980 Summer | |
| Khamphanh | Shooting | 1980 Summer | |
| Mukhammadkodir Khamraliev | Uzbekistan | Football | 2024 Summer | |
| Khamsing | Laos | Shooting | 1980 Summer | |
| Panida Khamsri | Thailand | Weightlifting | 2012 Summer | |
| Amel Khamtache | Algeria | Volleyball | 2012 Summer | |
| Petr Khamukov | Russia | Boxing | 2016 Summer | |
| Vyacheslav Khamulkin | Belarus | Diving | 1996 Summer, 2000 Summer | |
| Vadim Khamuttskikh | Russia | Volleyball | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Didar Khamza | Kazakhstan | Judo | 2016 Summer, 2020 Summer | |
| Abdul Ghafoor Khan | Pakistan | Field hockey | 1948 Summer | |
| Abdul Hamid Khan | Singapore | Badminton | 1992 Summer | |
| Abdul Haseem Khan | Pakistan | Field hockey | 2012 Summer | |
| Abdul Qayyum Khan | 1948 Summer | |
| Abdullah Khan | Athletics | 1956 Summer | |
| Ahmed Sher Khan | India | Field hockey | 1936 Summer | |
| Ahmed Ali Khan | Pakistan | Boxing | 2004 Summer | |
| Ahmed Khan | India | Football | 1948 Summer, 1952 Summer | |
| Ahmed Zahur Khan | Pakistan | Athletics | 1948 Summer | |
| Ahsan Muhammad Khan | India | Field hockey | 1936 Summer | |
| Amir Khan | Great Britain | Boxing | 2004 Summer | |
| Anar Khan | Pakistan | Athletics | 1964 Summer | |
| Anwar Ahmed Khan | Field hockey | 1956 Summer, 1960 Summer, 1964 Summer | |
| Arif Khan | India | Alpine skiing | 2022 Winter | |
| Asghar Ali Khan | Pakistan | Field hockey | 1952 Summer | |
| Asif Hossain Khan | Bangladesh | Shooting | 2004 Summer | |
| Aslam Sher Khan | India | Field hockey | 1976 Summer | |
| Babar Ali Khan | Pakistan | Boxing | 1984 Summer | |
| Banarus Muhammad Khan | Athletics | 1992 Summer | |
| Bisma Khan | Swimming | 2020 Summer | |
| Farhat Hassan Khan | Field hockey | 1992 Summer | |
| Farid Khan | Hong Kong | 1964 Summer | |
| Feroze Khan | India | 1928 Summer | |
| Haider Khan | Pakistan | Athletics | 1960 Summer | |
| Hanif Khan | Field hockey | 1976 Summer, 1984 Summer | |
| Hussain Khan | India | Equestrian eventing | 1980 Summer | |
| Kaleemullah Khan | Pakistan | Field hockey | 1984 Summer | |
| Kasam Khan | India | Rowing | 2000 Summer | |
| Kiran Khan | Pakistan | Swimming | 2008 Summer | |
| Laurie Khan | Jamaica | Athletics | 1964 Summer | |
| Mairaj Ahmad Khan | India | Shooting | 2016 Summer, 2020 Summer | |
| Mazhar-Ul-Haque Khan | Pakistan | Athletics | 1948 Summer | |
| Mirza Khan | 1952 Summer | |
| Mohammad Khan | Afghanistan | 1936 Summer | |
| Mohan Khan | Bangladesh | 2012 Summer | |
| Mohsin Nazar Khan | Pakistan | 1948 Summer | |
| Moses Zarak Khan | Fiji | 1988 Summer | |
| Motiullah Khan | Pakistan | Field hockey | 1956 Summer, 1960 Summer, 1964 Summer | |
| Mudassar Ali Khan | 2004 Summer | |
| Muhammad Khan | Boxing | 1952 Summer | |
| Muhammad Khan | Athletics | 1960 Summer | |
| Muhammad Khan | India | Equestrian eventing | 1980 Summer | |
| Nadir Khan | Pakistan | Athletics | 1992 Summer | |
| Naseem Khan | Sailing | 1984 Summer | |
| Niaz Khan | Field hockey | 1948 Summer, 1952 Summer | |
| Rahim Khan | 1996 Summer | |
| Safarish Khan | Boxing | 1996 Summer | |
| Samiullah Khan | Field hockey | 1976 Summer | |
| Shahid Ali Khan | 1984 Summer, 1992 Summer | |
| Shamsher Khan | India | Swimming | 1956 Summer | |
| Usman Ullah Khan | Pakistan | Boxing | 1996 Summer, 2000 Summer | |
| Vitaliy Khan | Kazakhstan | Swimming | 2004 Summer | |
| Yana Khan [ Wikidata ] | Short track speed skating | 2022 Winter | |
| Yousuf Khan | India | Football | 1960 Summer | |
| Gulfiya Khanafeyeva | Russia | Athletics | 2012 Summer | |
| Oleg Khandayev | Unified Team | Field hockey | 1992 Summer | |
| Tushar Khandker | India | 2012 Summer | |
| Vasilina Khandoshka | Belarus | Artistic swimming | 2020 Summer | |
| Devender Kumar Khandwal | India | Rowing | 2008 Summer | |
| Amur Al-Khanjari | Oman | Weightlifting | 2020 Summer | |
| Ahmad Mayez Khanji | Syria | Boxing | 1988 Summer | |
| Adnan Khankan [ Wikidata ] | Refugee Olympic Team | Judo | 2024 Summer | |
| Bilal El Khannouss | Morocco | Football | 2024 Summer | |
| Tsanko Khantov | Bulgaria | Modern pentathlon | 2000 Summer | |
| Baljit Singh Kharab [ Wikidata ] | India | Shooting | 1984 Summer | |
| Giorgi Kharabadze | Georgia | Boxing | 2020 Summer | |
| Boris Kharalampiev | Bulgaria | Athletics | 1936 Summer | |
| Panagiotis Kharamis | Greece | 2000 Summer | |
| Daviti Kharazishvili | Georgia | 2016 Summer | |
| Mohamed Kharbouch | Morocco | Football | 2000 Summer | |
| Farid Kharboutly | Syria | Shooting | 1992 Summer | |
| Yuri Kharchenko | Soviet Union | Luge | 1984 Winter, 1988 Winter | |
| Lika Kharchilava | Georgia | Athletics | 2024 Summer | |
| Pavel Kharin | Soviet Union | Canoe sprint | 1952 Summer, 1956 Summer | |
| Dmitri Kharine | Football | 1988 Summer | |
| Alexander Kharitonov | Russia | Ice hockey | 2006 Winter | |
| Pavel Kharitonov | Snowboarding | 2014 Winter | |
| Anna Kharitonova | Judo | 2008 Summer | |
| Marta Kharitonova | Canoe slalom | 2012 Summer, 2016 Summer | |
| Olga Kharitonova | Athletics | 2012 Summer | |
| Mothobi Kharitse | Lesotho | 1988 Summer | |
| Houssine Kharja | Morocco | Football | 2012 Summer | |
| Farkhad Kharki | Kazakhstan | Weightlifting | 2016 Summer | |
| Konstantin Kharkov | Croatia | Water polo | 2024 Summer | |
| Nikolay Kharkov [ Wikidata ] | Russia | Athletics | 1912 Summer | |
| Sergey Kharkov | Soviet Union, Russia | Artistic gymnastics | 1988 Summer, 1996 Summer | |
| Vlada Kharkova | Ukraine | Fencing | 2024 Summer | |
| Valeri Kharlamov | Soviet Union | Ice hockey | 1972 Winter, 1976 Winter, 1980 Winter | |
| Olga Kharlan | Ukraine | Fencing | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Aleksandr Kharlov | Soviet Union | Athletics | 1980 Summer | |
| Abdul Ahad Kharot | Afghanistan | Football | 1948 Summer | |
| Mohamed Anwar Kharot | 1948 Summer | |
| Achraf Kharroubi | Morocco | Boxing | 2016 Summer | |
| Ramaz Kharshiladze | Soviet Union | Judo | 1976 Summer | |
| Yaroslav Khartsyz | Ukraine | Boxing | 2020 Summer | |
| Ilya Kharun | Canada | Swimming | 2024 Summer | |
| Badri Khasaia | Georgia | Wrestling | 2008 Summer | |
| Ahmadjan Khasan | Afghanistan | 1980 Summer | |
| Ibragim Khasanov | Soviet Union | Canoe sprint | 1960 Summer, 1964 Summer | |
| Khurshed Khasanov | Tajikistan | Boxing | 1996 Summer | |
| Elvira Khasanova | Russian Olympic Committee | Athletics | 2020 Summer | |
| Hady Khashaba | Egypt | Football | 1992 Summer | |
| Khürelbaataryn Khash-Erdene | Mongolia | Cross country skiing | 2006 Winter, 2010 Winter | |
| Khaldoun Al-Khashti | Kuwait | Handball | 1996 Summer | |
| Sherzod Khashyrbayev [ Wikidata ] | Kazakhstan | Freestyle skiing | 2022 Winter | |
| Ali Khasif | United Arab Emirates | Football | 2012 Summer | |
| Abubakar Khaslakhanau | Independent Olympians | Wrestling | 2024 Summer | |
| Saida Khassenova | Kazakhstan | Boxing | 2012 Summer | |
| Elvira Khasyanova | Russia | Artistic swimming | 2004 Summer, 2008 Summer, 2012 Summer | |
| Enzo Khasz | France | Water polo | 2016 Summer, 2024 Summer | |
| Imam Khataev | Russian Olympic Committee | Boxing | 2020 Summer | |
| Neheng Khatala | Lesotho | Athletics | 2020 Summer | |
| Mubarak Al-Khater | Qatar | Football | 1984 Summer | |
| Yousef Khateri | Iran | Boxing | 1992 Summer | |
| Mahmoud El Khatib | Egypt | Football | 1984 Summer | |
| Mohamed Sami El-Khatib | Shooting | 1964 Summer | |
| Mounzer Khatib | Syria | 1972 Summer | |
| Bhagawati Khatri | Nepal | 2000 Summer | |
| Hamed Al-Khatri | Oman | 2016 Summer, 2020 Summer, 2024 Summer | |
| Khalaf Al-Khatri | 1992 Summer, 1996 Summer | |
| Mukesh Khatri | India | Wrestling | 2004 Summer | |
| Phupu Lhamu Khatri | Nepal | Judo | 2016 Summer | |
| Ravinder Khatri | India | Wrestling | 2016 Summer | |
| Khavazhi Khatsigov | Belarus | Boxing | 2004 Summer, 2008 Summer | |
| Elarbi Khattabi | Morocco | Athletics | 1992 Summer, 2000 Summer | |
| Ghailene Khattali | Tunisia | Canoe sprint | 2020 Summer, 2024 Summer | |
| Abdelfattah El Khattari | Morocco | Football | 2000 Summer | |
| Mst Sonia Khatun [ Wikidata ] | Bangladesh | Swimming | 2024 Summer | |
| Alexander Khatuntsev | Russia | Track cycling | 2004 Summer | |
| Gulnaz Khatuntseva | Russian Olympic Committee | 2020 Summer | |
| Aleksey Khatylyov | Belarus | Speed skating | 2002 Winter | |
| Markos Khatzikyriakakis | Greece | Snowboarding | 1998 Winter | |
| Thomas Khatzis | Water polo | 1996 Summer, 2000 Summer | |
| Elena Khatzisavva | Cyprus | Rhythmic gymnastics | 1992 Summer | |
| Panagiotis Khatzistathis | Greece | Athletics | 1976 Summer | |
| Yuliya Khavaldzhy | Ukraine | Wrestling | 2016 Summer | |
| Rony Khawam | Lebanon | Judo | 1984 Summer, 1988 Summer | |
| Moihuddin Khawja | Pakistan | Shooting | 1964 Summer | |
| Chutchawal Khawlaor | Thailand | Taekwondo | 2008 Summer | |
| Supavadee Khawpeag | Athletics | 2000 Summer | |
| Batsükhiin Khayankhyarvaa | Mongolia | Road cycling | 1980 Summer | |
| Mohamed Ould Khayar [ Wikidata ] | Mauritania | Athletics | 1988 Summer | |
| Jean Khayat | Tunisia | Fencing | 1960 Summer | |
| Tagir Khaybulaev | Russia | Judo | 2012 Summer, 2016 Summer | |
| Irina Khazova | Cross country skiing | 2010 Winter, 2014 Winter | |
| Rachid Khdar | Morocco | Wrestling | 1992 Summer | |
| Adel Khechini | Tunisia | Volleyball | 1984 Summer | |
| Ferrid Kheder | France | Judo | 2000 Summer | |
| Habib Kheder | Tunisia | Handball | 1976 Summer | |
| Ramezan Kheder | Iran | Wrestling | 1972 Summer, 1976 Summer | |
| Riadh Khedher | Iraq | Weightlifting | 1992 Summer | |
| Riadh Ben Khedher | Tunisia | Rowing | 2000 Summer | |
| Mohamed Khedis | Algeria | Football | 1980 Summer | |
| Najmeh Khedmati | Iran | Shooting | 2016 Summer, 2020 Summer | |
| Mohammad Ebrahim Khedri | Afghanistan | Wrestling | 1960 Summer | |
| Mohammad Ebrahim Khedri | 1964 Summer, 1968 Summer, 1972 Summer | |
| Fouad Abdel Meguid El-Kheir | Egypt | Basketball | 1948 Summer, 1952 Summer | |
| Pavel Khek | Czechoslovakia | Weightlifting | 1980 Summer | |
| El-Tayeb El-Hadj Ben Khelfallah | Algeria | Volleyball | 1992 Summer | |
| Anissa Khelfaoui | Fencing | 2008 Summer, 2012 Summer, 2016 Summer | |
| Hadjila Khelif [ Wikidata ] | Boxing | 2024 Summer | |
| Imane Khelif | 2020 Summer, 2024 Summer | |
| Ghofran Khelifi | Tunisia | Judo | 2020 Summer | |
| Mehdi-Selim Khelifi | Algeria | Cross country skiing | 2010 Winter | |
| Sami Khelifi | Tunisia | Boxing | 2000 Summer | |
| Allaoua Khellil | Algeria | Athletics | 1988 Summer | |
| Anish Khem | Fiji | Football | 2016 Summer | |
| Khem Son | Cambodia | Road cycling, Track cycling | 1964 Summer | |
| Panh Khemanith [ Wikidata ] | Laos | Athletics | 1980 Summer | |
| Oussama Khennoussi | Algeria | 2024 Summer | |
| Abdelhak Kherbache | Wrestling | 2020 Summer | |
| Nestor Khergiani | Georgia | Judo | 2000 Summer, 2004 Summer, 2008 Summer | |
| Amira Kheris | Algeria | Canoe sprint | 2020 Summer | |
| Vadim Khersontsev | Russia | Athletics | 1996 Summer | |
| Biruta Khertseva-Khertsberga | Soviet Union | Canoe slalom | 1972 Summer | |
| Bunpichmorakat Kheun | Cambodia | Swimming | 2020 Summer | |
| Basheer Al-Khewani | Yemen | Athletics | 2000 Summer | |
| Bekzod Khidirov | Uzbekistan | Boxing | 2004 Summer | |
| Vagiz Khidiyatullin | Soviet Union | Football | 1980 Summer | |
| Khieu Soeun | Cambodia | Boxing | 1964 Summer | |
| Khiew Hoe Yean | Malaysia | Swimming | 2024 Summer | |
| Mohammed Al-Khilaiwi | Saudi Arabia | Football | 1996 Summer | |
| Ekaterina Khilko | Uzbekistan | Trampolining | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Volha Khilko | Belarus | Wrestling | 2004 Summer, 2008 Summer | |
| Aliaksandra Khilmanovich | Athletics | 2020 Summer | |
| Andrey Khimich | Soviet Union | Canoe sprint | 1964 Summer | |
| Oleksandr Khimich | Ukraine | Rowing | 1996 Summer | |
| Khin Maung Lay | Myanmar | Football | 1972 Summer | |
| Soe Khin | Athletics | 1980 Summer | |
| Ruslan Khinchagov | Uzbekistan | Wrestling | 1996 Summer, 2000 Summer | |
| Vladimer Khinchegashvili | Georgia | 2012 Summer, 2016 Summer | |
| Nan Aye Khine | Myanmar | Weightlifting | 2004 Summer | |
| Shamil Khisamutdinov | Soviet Union | Wrestling | 1972 Summer | |
| Gombyn Khishigbaatar | Mongolia | 1976 Summer, 1980 Summer | |
| Galbadrakhyn Khishigsaikhan | Athletics | 2024 Summer | |
| Yuliya Khitraya | Belarus | Swimming | 2012 Summer, 2016 Summer | |
| Valery Khitrov | Soviet Union | Track cycling | 1964 Summer | |
| Irina Khitrova | Bulgaria | Artistic gymnastics | 1972 Summer | |
| Lina Khiyara | Morocco | Swimming | 2020 Summer | |
| Nawaz Khizar | Pakistan | Field hockey | 1964 Summer | |
| Oleksiy Khizhniak | Ukraine | Weightlifting | 1996 Summer | |
| Maksym Khlan | Football | 2024 Summer | |
| Dimitar Khlebarov | Bulgaria | Athletics | 1960 Summer, 1964 Summer | |
| Sergey Khlebnikov | Soviet Union | Speed skating | 1980 Winter, 1984 Winter | |
| Khleif Ayyat | Jordan | Shooting | 1980 Summer | |
| Paul Köhler | Denmark | Diving | 1920 Summer | |
| Ganna Khlistunova | Ukraine | Swimming | 2008 Summer | |
| Iryna Khliustava | Belarus | Athletics | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Oleksiy Khlopotnov | Soviet Union | 1968 Summer | |
| Yelena Khloptseva | Soviet Union, Unified Team | Rowing | 1980 Summer, 1992 Summer | |
| Vladimir Khlud | Belarus | Weightlifting | 1996 Summer | |
| Olena Khlusovych | Ukraine | Athletics | 1996 Summer, 2000 Summer | |
| Tatyana Khlyzova | Kazakhstan | Ice hockey | 2002 Winter | |
| Ihor Khmara | Ukraine | Rowing | 2020 Summer, 2024 Summer | |
| Irina Khmelevskaya | Soviet Union, Unified Team | Canoe sprint | 1988 Summer, 1992 Summer | |
| Marina Khmelevskaya | Uzbekistan | Athletics | 2016 Summer | |
| Vasiliy Khmelevskiy | Soviet Union | 1972 Summer | |
| Mikhail Khmelnitskiy | Belarus | 1996 Summer, 2000 Summer | |
| Anastasija Khmelnytska | Germany | Rhythmic gymnastics | 2016 Summer | |
| Oleg Khmyl | Belarus | Ice hockey | 1998 Winter, 2002 Winter | |
| Yuri Khmylev | Unified Team | 1992 Winter | |
| Tatyana Khmyrova | Russia | Handball | 2012 Summer | |
| Griselda Khng | Singapore | Sailing | 2016 Summer | |
| Anna Khnychenkova | Ukraine | Figure skating | 2018 Winter | |
| Pavlo Khnykin | Unified Team, Ukraine | Swimming | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Nadezhda Khnykina-Dvalishvili | Soviet Union | Athletics | 1952 Summer, 1956 Summer | |
| Mehdi Khodabakhshi | Iran | Taekwondo | 2016 Summer | |
| Abdollah Khodabandeh | Wrestling | 1964 Summer | |
| Majid Khodaei | 2004 Summer | |
| Hossein Khodaparast | Football | 1964 Summer | |
| Hussain Al-Khodari | Kuwait | 1992 Summer | |
| Mohamed El-Khodary | Egypt | Wrestling | 1988 Summer | |
| Taghikhan Khodavand | Iran | Road cycling, Track cycling | 1972 Summer | |
| Asghar Khodayari | Road cycling | 1976 Summer | |
| Yassin Khodir [ Wikidata ] | Egypt | Fencing | 2024 Summer | |
| Suhrob Khodjaev | Uzbekistan | Athletics | 2012 Summer, 2016 Summer, 2020 Summer | |
| Oleg Khodkov | Russia | Handball | 2000 Summer | |
| Sergey Khodos | Russia, Russian Olympic Committee | Fencing | 2016 Summer, 2020 Summer | |
| Mohammad Khogaini | Afghanistan | Field hockey | 1948 Summer | |
| Esraa Khogali | Sudan | Rowing | 2020 Summer | |
| Megdiin Khoilogdorj | Mongolia | Wrestling | 1972 Summer, 1976 Summer | |
| Mohammad Ali Khojastehpour | Iran | 1956 Summer | |
| Behruzi Khojazoda | Tajikistan | Judo | 2024 Summer | |
| Farangiz Khojieva | Uzbekistan | 2020 Summer | |
| Nodar Khokhashvili | Soviet Union | Wrestling | 1964 Summer | |
| Anatoly Khokhlov | Boxing | 1972 Summer | |
| Igor Khokhlov | Rowing | 1960 Summer | |
| Leonid Khokhlov | Russia | Swimming | 2000 Summer | |
| Iryna Khokhlova | Ukraine, Argentina | Modern pentathlon | 2012 Summer, 2016 Summer | |
| Jana Khokhlova | Russia | Figure skating | 2006 Winter, 2010 Winter | |
| Valentina Khokhlova | Soviet Union, Belarus | Rowing | 1988 Summer, 2000 Summer | |
| Igor Khokhryakov | Belarus | Biathlon | 1994 Winter | |
| Mohamed Kholafy | Egypt | Road cycling | 2000 Summer | |
| Diyor Kholmatov | Uzbekistan | Football | 2024 Summer | |
| Shakhboz Kholmurzaev | Rowing | 2016 Summer, 2020 Summer | |
| Svetlana Kholomina | Russian Olympic Committee | Beach volleyball | 2020 Summer | |
| Anton Kholyaznykov | Ukraine | Rowing | 2012 Summer | |
| Khom Ratanakmony | Cambodia | Judo | 2012 Summer | |
| Zurab Khomasuridze | Georgia | Swimming | 2004 Summer | |
| Ilya Khomenko | Russia | 2016 Summer | |
| Alyona Khomich | Ice hockey | 2002 Winter, 2006 Winter, 2010 Winter, 2014 Winter | |
| Olena Khomrova | Ukraine | Fencing | 2008 Summer | |
| Andrei Khomutov | Soviet Union, Unified Team | Ice hockey | 1984 Winter, 1988 Winter, 1992 Winter | |
| Boldsaikhan Khongorzul | Mongolia | Wrestling | 2020 Summer, 2024 Summer | |
| Phachara Khongwatmai | Thailand | Golf | 2024 Summer | |
| Khoo Cai Lin | Malaysia | Swimming | 2008 Summer, 2012 Summer | |
| Khoo Chong Beng | Athletics | 1976 Summer | |
| Rusudan Khoperia | Georgia | Trampolining | 2000 Summer, 2004 Summer | |
| Oleg Khopyorsky | Soviet Union, Unified Team, Russia | Sailing | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Bachana Khorava | Georgia | Athletics | 2016 Summer, 2020 Summer | |
| Mahmoud Khordbin | Iran | Football | 1972 Summer | |
| Sergey Khoretsky | Belarus | Sailing | 1996 Summer | |
| Natalia Khoreva | Russia | Luge | 2010 Winter, 2014 Winter | |
| Svetlana Khorkina | Artistic gymnastics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Bishreltiin Khorloodoi | United Arab Emirates | Judo | 2024 Summer | |
| Sergey Khorokhordin | Russia | Artistic gymnastics | 2008 Summer | |
| Olga Khoroshavtseva | Russian Olympic Committee | Wrestling | 2020 Summer | |
| Aleksandr Khoroshilov | Russia, Russian Olympic Committee | Alpine skiing | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Reza Khorrami | Iran | Wrestling | 1972 Summer | |
| Mohamed Khorshed | Egypt | Shooting | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Fathi Khorshid | United Arab Republic, Egypt | Football | 1960 Summer, 1964 Summer | |
| Alireza Khorshidi | Iran | 1976 Summer | |
| Tserenbaataryn Khosbayar | Mongolia | Wrestling | 1992 Summer | |
| Sara Khoshjamal Fekri | Iran | Taekwondo | 2008 Summer | |
| Ahmad Khoshouei | Wrestling | 1964 Summer | |
| Masoud Khosravinejad | Judo | 2004 Summer | |
| Farhang Khosropanah | Shooting | 1948 Summer | |
| Oleksandr Khotsianivskyi | Ukraine | Wrestling | 2012 Summer, 2020 Summer, 2024 Summer | |
| Saleh Khoulef | Egypt | Boxing | 2000 Summer, 2004 Summer | |
| Thanasis Khouliaras | Greece | 1976 Summer | |
| Ghabi Issa Khouri | Lebanon | Athletics | 1984 Summer | |
| Idir Khourta | Algeria | Table tennis | 2008 Summer | |
| Zahi El-Khoury | Lebanon | Fencing | 1988 Summer, 1992 Summer | |
| Ali Khousrof | Yemen | Judo | 2008 Summer, 2012 Summer | |
| Aleksey Khovansky | Russia | Fencing | 2012 Summer | |
| Alexey Khovrin | Kazakhstan | Swimming | 1996 Summer | |
| Vitaliy Khozhatelev | Uzbekistan | Athletics | 1996 Summer, 2000 Summer | |
| Khrabrina Khrabrova | Bulgaria | Artistic gymnastics | 1988 Summer | |
| Murat Khrachev | Russia | Boxing | 2004 Summer | |
| Dzianis Khramiankou | Belarus | Wrestling | 2020 Summer | |
| Tatyana Khramova | Athletics | 1996 Summer | |
| Maksim Khramtsov | Russian Olympic Committee | Taekwondo | 2020 Summer | |
| Anatoly Khrapaty | Soviet Union, Kazakhstan | Weightlifting | 1988 Summer, 1996 Summer, 2000 Summer | |
| Nikolay Khrenkov | Russia | Bobsleigh | 2014 Winter | |
| Andriy Khripta | Ukraine | Road cycling | 2016 Summer | |
| Snezhana Khristakieva | Bulgaria | Artistic gymnastics | 1992 Summer | |
| Snezhka Khristeva | Rowing | 1980 Summer | |
| Dmitri Khristich | Ukraine | Ice hockey | 2002 Winter | |
| Stavros Khristoforidis | Greece | Biathlon | 2002 Winter, 2006 Winter | |
| Katerina Khristoforidou | Artistic gymnastics | 2000 Summer | |
| Khristos Khristoforou | Cyprus | Sailing | 1988 Summer | |
| Olga Khristoforova | Russia | Diving | 1996 Summer | |
| Anka Khristolova | Bulgaria | Volleyball | 1980 Summer | |
| Marinos Khristopoulos | Greece | Bobsleigh | 1994 Winter | |
| Aleksandar Khristov | Bulgaria | Boxing | 1988 Summer, 1996 Summer | |
| Boris Khristov | Shooting | 1936 Summer | |
| Dimo Khristov | Equestrian eventing | 1980 Summer | |
| Gencho Khristov | Basketball | 1952 Summer | |
| Georgi Khristov | Artistic gymnastics | 1960 Summer | |
| Georgi Khristov | Basketball | 1968 Summer | |
| Khristo Khristov | Athletics | 1960 Summer | |
| Khristo Khristov | Fencing | 1972 Summer, 1976 Summer | |
| Krasimir Khristov | Canoe sprint | 1976 Summer | |
| Lazar Khristov | 1976 Summer, 1980 Summer | |
| Lyuben Khristov | Artistic gymnastics | 1960 Summer, 1964 Summer | |
| Mladen Khristov | Water polo | 1972 Summer | |
| Nikola Khristov | Athletics | 1980 Summer | |
| Plamen Khristov | Volleyball | 1988 Summer, 1996 Summer | |
| Raycho Khristov | Artistic gymnastics | 1968 Summer | |
| Rumen Khristov | Rowing | 1976 Summer, 1980 Summer | |
| Rumyan Khristov | 1976 Summer | |
| Yovcho Khristov | Artistic gymnastics | 1936 Summer | |
| Ivanka Khristova | Athletics | 1964 Summer, 1968 Summer, 1972 Summer, 1976 Summer | |
| Natasha Khristova | Swimming | 1988 Summer | |
| Pavlina Khristova | Rowing | 1988 Summer | |
| Tsvetanka Khristova | Athletics | 1988 Summer, 1992 Summer, 2004 Summer | |
| Nikolay Khristozov | Shooting | 1952 Summer | |
| Boris Khrolovich | Soviet Union | Athletics | 1964 Summer | |
| Nikita Khromov | Russia | Football | 1912 Summer | |
| Tatyana Khromova | Kazakhstan | Weightlifting | 2000 Summer, 2004 Summer | |
| Eleni Khronopoulou [ Wikidata ] | Greece | Rhythmic gymnastics | 2004 Summer | |
| Natalya Khrushcheleva | Russia | Athletics | 2004 Summer | |
| Elena Khrustaleva | Belarus, Kazakhstan | Biathlon | 2002 Winter, 2010 Winter, 2014 Winter | |
| Victor Khryapa | Russia | Basketball | 2008 Summer, 2012 Summer | |
| Vyacheslav Khrynin | Soviet Union | 1964 Summer | |
| Vangelis Khrysafis [ Wikidata ] | Greece | Shooting | 1948 Summer, 1956 Summer | |
| Jiotsa Khrysopoulos | Handball | 2004 Summer | |
| Olga Khrzhanovskaya | Russia | Volleyball | 2004 Summer | |
| Taras Khtey | 2004 Summer, 2012 Summer | |
| Guzel Khubbieva | Uzbekistan | Athletics | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Venelin Khubenov | Bulgaria | Road cycling | 1980 Summer | |
| Martin Khuber | Kazakhstan | Alpine skiing | 2014 Winter | |
| Diana Khubeseryan | Armenia | Athletics | 2016 Summer | |
| Alan Khubetsov | Russian Olympic Committee | Judo | 2020 Summer | |
| Tengiz Khubuluri | Soviet Union | 1980 Summer | |
| Yelena Khudashova | Soviet Union, Unified Team, Russia | Basketball | 1988 Summer, 1992 Summer, 2000 Summer | |
| Dorjkhandyn Khüderbulga | Mongolia | Wrestling | 2016 Summer | |
| Adel Khudhair | Iraq | Football | 1980 Summer | |
| Rustam Khudiyev | Kazakhstan | Swimming | 2004 Summer, 2008 Summer | |
| Irina Khudoroshkina | Russia | Athletics | 1996 Summer, 2008 Summer | |
| Roksana Khudoyarova | Uzbekistan | 2020 Summer | |
| Shamsiddin Khudoyberdiev | Wrestling | 1996 Summer | |
| Vitaliy Khudyakov | Kazakhstan | Marathon swimming | 2016 Summer, 2020 Summer | |
| Nataliya Khudyakova | Ukraine | Swimming | 2008 Summer | |
| Volha Khudzenka | Belarus | Canoe sprint | 2012 Summer, 2016 Summer, 2020 Summer | |
| Alan Khugaev | Russia | Wrestling | 2012 Summer | |
| Adnan El-Khuja | Libya | Volleyball | 1980 Summer | |
| Ayman Al-Khulaif | Saudi Arabia | Football | 2020 Summer | |
| Noah Al-Khulaifi | Qatar | Swimming | 2016 Summer | |
| Batkhuyagiin Khulan | Mongolia | Wrestling | 2024 Summer | |
| Onolbaataryn Khulan | 3x3 basketball | 2020 Summer | |
| Kgosiemang Khumoyarano | Botswana | Athletics | 1984 Summer | |
| Itumeleng Khune | South Africa | Football | 2016 Summer | |
| Gilbert Khunwane | Botswana | Boxing | 2000 Summer | |
| Ekaterina Khuraskina | Russia | Modern pentathlon | 2012 Summer | |
| Valeryan Khuroshvili | Belarus | Swimming | 2000 Summer | |
| Muhammad Khurram | Pakistan | Field hockey | 1948 Summer | |
| Mukhammadkarim Khurramov | Uzbekistan | Judo | 2020 Summer | |
| Hripsime Khurshudyan | Armenia | Weightlifting | 2008 Summer, 2012 Summer | |
| Murtaz Khurtsilava | Soviet Union | Football | 1972 Summer | |
| Teimuraz Khurtsilava | Georgia | Boxing | 2000 Summer | |
| Abdukodir Khusanov | Uzbekistan | Football | 2024 Summer | |
| Aslanbek Khushtov | Russia | Wrestling | 2008 Summer | |
| Rustam Khusnutdinov | Uzbekistan | Athletics | 2000 Summer | |
| Davit Khutsishvili | Georgia | Wrestling | 2012 Summer | |
| Mohammed Al-Khuwalidi | Saudi Arabia | Athletics | 2008 Summer | |
| Oleg Khvatsovas | Belarus | Shooting | 2000 Summer | |
| Anna Khvorikova | Russian Olympic Committee | Sailing | 2020 Summer | |
| Maksym Khvorost | Ukraine | Fencing | 2004 Summer, 2008 Summer, 2016 Summer | |
| Oleksandr Khvoshch | Wrestling | 2004 Summer | |
| Oksana Khvostenko | Biathlon | 2002 Winter, 2006 Winter, 2010 Winter | |
| Dmitry Khvostov | Russia | Basketball | 2012 Summer | |
| Walide Khyar | France | Judo | 2016 Summer, 2024 Summer | |
| Nikolai Khlystov | Soviet Union | Ice hockey | 1956 Winter | |
| Evhen Khytrov | Ukraine | Boxing | 2012 Summer | |
| Oleksandr Khyzhniak | 2020 Summer, 2024 Summer | |