| Name | Nation | Sport | Games | Notes |
|---|
| Luigi De Agostini | Italy | Football | 1988 Summer | |
| Luca De Aliprandini | Alpine skiing | 2014 Winter, 2018 Winter, 2022 Winter | |
| Oscar de Andrés | Argentina | Rowing | 1972 Summer | |
| Virna De Angeli | Italy | Athletics | 1996 Summer, 2000 Summer | |
| Marisa De Aniceto | France | 2012 Summer | |
| Luiz Alberto de Araújo | Brazil | 2012 Summer, 2016 Summer | |
| Jean De Backer | Belgium | Water polo | 1900 Summer | |
| Paul De Backer | Swimming | 1920 Summer | |
| Joseph De Bakker | Track cycling | 1952 Summer | |
| Marcantonio De Beaumont-Bonelli | Italy | Sailing | 1928 Summer | |
| Willem de Beer | South Africa | Athletics | 2012 Summer | |
| Victor De Behr | Belgium | Water polo | 1900 Summer | |
| Giovanni De Benedictis | Italy | Athletics | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Giorgio de Bettin | Ice hockey | 2006 Winter | |
| Roger De Beukelaer | Belgium | Track cycling | 1972 Summer | |
| Xavier De Beukelaer | Fencing | 1924 Summer, 1928 Summer, 1932 Summer | |
| Jos De Beukelaere | Track cycling | 1948 Summer | |
| Jean De Bie | Football | 1920 Summer, 1924 Summer, 1928 Summer | |
| Wouly de Bie | Netherlands | Water polo | 1980 Summer, 1984 Summer | |
| Jules De Bisschop | Belgium | Rowing | 1900 Summer | |
| Frans De Blaes | Canoe sprint | 1936 Summer | |
| Glenn de Blois | Netherlands | Snowboarding | 2022 Winter | |
| Emmanuel de Blommaert | Belgium | Equestrian jumping, Equestrian dressage, Equestrian eventing | 1912 Summer, 1920 Summer | |
| Daisy de Bock | Shooting | 2004 Summer | |
| Dirk De Bock | Sailing | 1972 Summer | |
| Stefan de Bod | South Africa | Road cycling | 2020 Summer | |
| Charles De Bondsridder | Belgium | Sailing | 1972 Summer | |
| Kevin De Bont | Canoe sprint | 2008 Summer | |
| Anne de Borman | Tennis | 1920 Summer, 1924 Summer | |
| Bonifacio De Bortoli | Italy | Rowing | 1948 Summer | |
| Lauro De Bosis | Art competitions | 1928 Summer | |
| Alessandro De Botton | Diving | 1992 Summer | |
| Georges de Bourguignon | Belgium | Fencing | 1932 Summer, 1936 Summer, 1948 Summer, 1952 Summer | |
| Antoon De Brauwer | Canoe sprint | 1984 Summer, 1992 Summer | |
| Lucien De Brauwere | Road cycling | 1972 Summer | |
| Jorge de Brito | Brazil | Volleyball | 1992 Summer | |
| Bregje de Brouwer | Netherlands | Artistic swimming | 2020 Summer, 2024 Summer | |
| Noortje de Brouwer | 2020 Summer, 2024 Summer | |
| Christine de Bruin | Canada | Bobsleigh | 2018 Winter, 2022 Winter | |
| Marlize de Bruin | South Africa | Rugby sevens | 2024 Summer | |
| Gustave De Bruyne | Belgium | Athletics | 1920 Summer | |
| Prudent De Bruyne | Track cycling | 1924 Summer | |
| Sebbe De Buck | Snowboarding | 2018 Winter | |
| Patrick De Bucke | Canoe sprint | 1984 Summer | |
| Jasper De Buyst | Track cycling | 2016 Summer | |
| Katleen De Caluwé | Athletics | 2004 Summer | |
| Seve de Campo | Australia | Cross country skiing | 2022 Winter | |
| Rino De Candido | Italy | Track cycling | 1976 Summer | |
| Helder de Carvalho | Angola | Judo | 1988 Summer | |
| Michel de Carvalho | Great Britain | Luge | 1972 Winter, 1976 Winter | |
| Ricardo de Carvalho | Brazil | Rowing | 1980 Summer, 1984 Summer, 1988 Summer | |
| Ronaldo de Carvalho | 1980 Summer, 1984 Summer, 1988 Summer | |
| Tábata de Carvalho | Athletics | 2020 Summer | |
| Keith De Casseres | West Indies Federation | Shooting | 1960 Summer | |
| Robert de Castella | Australia | Athletics | 1980 Summer, 1984 Summer, 1988 Summer, 1992 Summer | |
| Luciano De Cecco | Argentina | Volleyball | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Paolo De Ceglie | Italy | Football | 2008 Summer | |
| Sergio de Celis | Spain | Swimming | 2024 Summer | |
| Paolo De Chiesa | Italy | Alpine skiing | 1980 Winter, 1984 Winter | |
| Giuseppe de Chirico | Shooting | 1968 Summer, 1972 Summer, 1976 Summer | |
| Lodewijk De Clerck | Belgium | Athletics | 1960 Summer | |
| Katrijn De Clercq | Track cycling | 2024 Summer | |
| Oscar De Cock | Rowing | 1900 Summer | |
| Joseph De Combe | Swimming, Water polo | 1924 Summer, 1928 Summer, 1936 Summer | |
| François de Coninck | Rowing | 1928 Summer | |
| Gabriel De Coster | Canoe slalom | 2020 Summer | |
| Léon De Coster | Shooting | 1920 Summer | |
| Joseph De Craecker | Fencing | 1920 Summer, 1924 Summer | |
| Fabio De Crignis | Italy | Alpine skiing | 1992 Winter | |
| Leo De Crignis | Ski jumping | 1976 Winter | |
| Franco De Cruz | Malaysia | Field hockey | 1972 Summer | |
| Peter de Cruz | Switzerland | Curling | 2018 Winter, 2022 Winter | |
| Simon De Cuyper | Belgium | Triathlon | 2012 Summer | |
| Felisberto de Deus | Timor-Leste | Athletics | 2020 Summer | |
| Marcello De Dorigo | Italy | Cross country skiing | 1960 Winter, 1964 Winter | |
| Francesco De Fabiani | 2014 Winter, 2018 Winter, 2022 Winter | |
| Flávia de Faria | Brazil | Rhythmic gymnastics | 2000 Summer | |
| Fay De Fazio Ebert | Canada | Skateboarding | 2024 Summer | |
| Guido De Felip | Italy | Rowing | 1920 Summer | |
| Mauro De Filippis | Shooting | 2020 Summer, 2024 Summer | |
| Gino De Finetti | Art competitions | 1948 Summer | |
| Silvio De Florentiis | Athletics | 1960 Summer | |
| Giulio de Florian | Cross country skiing | 1960 Winter, 1964 Winter, 1968 Winter | |
| Edward Barrington de Fonblanque | Great Britain | Equestrian eventing | 1924 Summer | |
| Mya de Freitas | Saint Vincent and the Grenadines | Swimming | 2020 Summer | |
| Shane de Freitas | Barbados | Artistic gymnastics | 1996 Summer | |
| Pierre de Froidmont | Belgium | Cycling mountain bike | 2024 Summer | |
| Antonio De Gaetano | Italy | Athletics | 1960 Summer | |
| Giuseppe De Gaetano | 1992 Summer | |
| Herman de Gaiffier d'Hestroy | Belgium | Equestrian jumping | 1920 Summer | |
| Giovanni De Gennaro | Italy | Canoe slalom | 2016 Summer, 2020 Summer, 2024 Summer | |
| Monica De Gennaro | Volleyball | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Luciano De Genova | Weightlifting | 1956 Summer, 1960 Summer | |
| Lilian de Geus | Netherlands | Sailing | 2016 Summer, 2020 Summer | |
| Gérard De Gezelle | Belgium | Rowing | 1924 Summer | |
| Juan de Giacomo | Argentina | Shooting | 1952 Summer | |
| Peter de Giles | Great Britain | Rowing | 1952 Summer | |
| Ferdinando De Giorgi | Italy | Volleyball | 1988 Summer | |
| Agustina de Giovanni | Argentina | Swimming | 2004 Summer, 2008 Summer | |
| Eva de Goede | Netherlands | Field hockey | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Andre De Grasse | Canada | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Sergio De Gregorio | Italy | Swimming | 1964 Summer | |
| Cédric de Greve | Belgium | Field hockey | 2008 Summer | |
| Thérèse De Grijze | Artistic gymnastics | 1948 Summer | |
| Robyn de Groot | South Africa | Road cycling | 2012 Summer | |
| Franky De Groote | Belgium | Swimming | 1980 Summer | |
| Francisca de Gutierrez | Mexico | Archery | 1972 Summer | |
| Nemesio de Guzman | Philippines | Athletics | 1936 Summer | |
| Frans De Haes | Belgium | Weightlifting | 1920 Summer | |
| Vincent De Haître | Canada | Speed skating, Track cycling | 2014 Winter, 2018 Winter, 2020 Summer | |
| Jack de Heer | Netherlands | Ice hockey | 1980 Winter | |
| Jacqueline de Heer | Softball | 1996 Summer | |
| Rod de Highden | Australia | Athletics | 1996 Summer, 2000 Summer | |
| Eduard de Ignacio-Simó | Spain | Field hockey | 2024 Summer | |
| John-Laffnie de Jager | South Africa | Tennis | 2000 Summer | |
| Shaun de Jager | Athletics | 2012 Summer | |
| Alex de Jesús | Puerto Rico | Boxing | 2004 Summer | |
| Gilson Trinidade de Jesus | Brazil | Basketball | 1980 Summer | |
| José de Jesús | Puerto Rico | Athletics | 1976 Summer | |
| José Maria de Jesús | Angola | Judo | 1992 Summer | |
| Marjolein de Jong | Netherlands | Softball | 1996 Summer | |
| Roos de Jong | Rowing | 2020 Summer, 2024 Summer | |
| Juan de Jongh | South Africa | Rugby sevens | 2016 Summer | |
| Nicolas De Kerpel | Belgium | Field hockey | 2020 Summer, 2024 Summer | |
| Kenny De Ketele | Track cycling | 2008 Summer, 2012 Summer, 2020 Summer | |
| Miné de Klerk | South Africa | Athletics | 2024 Summer | |
| Hendrik de Kok | Rowing | 1928 Summer | |
| Alexy de la Cruz | Dominican Republic | Boxing | 2020 Summer | |
| Bethania de la Cruz | Volleyball | 2012 Summer, 2020 Summer, 2024 Summer | |
| San Lázaro de la Cruz | Weightlifting | 1976 Summer | |
| Anna De la Forest | Italy | Ice hockey | 2006 Winter | |
| Oscar De La Hoya | United States | Boxing | 1992 Summer | |
| Tom De La Hunty | Great Britain | Bobsleigh | 1984 Winter, 1988 Winter | |
| Lisa de la Motte | Eswatini | Swimming | 2000 Summer | |
| Michael de la Roche | Canada | Sailing | 1976 Summer | |
| Jacob de la Rose | Sweden | Ice hockey | 2022 Winter | |
| Josephine de la Viña | Philippines | Athletics | 1964 Summer, 1968 Summer, 1972 Summer | |
| Evelyn de Lacy | Australia | Swimming | 1936 Summer | |
| René De Landtsheer | Belgium | Rowing | 1924 Summer | |
| Patrick de Lange | Netherlands | Baseball | 2000 Summer, 2004 Summer | |
| Steyn de Lange | South Africa | Wrestling | 2024 Summer | |
| Tristan de Lange | Namibia | Road cycling | 2020 Summer | |
| Willy de l'Arbre | Belgium | Sailing | 1920 Summer | |
| Rupert de Larrinaga | Great Britain | Alpine skiing | 1952 Winter | |
| Julio Jesús de las Casas | Venezuela | Shooting | 1980 Summer, 1984 Summer | |
| Leon De Lathouwer | Belgium | Road cycling | 1948 Summer | |
| Victor de Laveleye | Tennis | 1920 Summer, 1924 Summer | |
| Eddy De Leeuw | Athletics | 1980 Summer | |
| Edgar de León | Puerto Rico | Basketball | 1988 Summer, 1992 Summer | |
| Francisco de León | 1988 Summer | |
| Eddy De Lépine | France | Athletics | 2004 Summer | |
| Romain De Loof | Belgium | Track cycling | 1960 Summer | |
| Christian De Lorenzi | Italy | Biathlon | 2006 Winter, 2010 Winter, 2014 Winter | |
| Rossana de los Ríos | Paraguay | Tennis | 1992 Summer, 2000 Summer | |
| Leonel de los Santos | Dominican Republic | Boxing | 2016 Summer, 2020 Summer | |
| Federico De Luca | Italy | Sailing | 1936 Summer | |
| Giorgio De Luca | Weightlifting | 2008 Summer | |
| Marco De Luca | Athletics | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Riccardo De Luca | Modern pentathlon | 2012 Summer, 2016 Summer | |
| Sergio De Luca | San Marino | Weightlifting | 1980 Summer | |
| Guido De Luigi | Italy | Volleyball | 1984 Summer | |
| Gianni De Magistris | Water polo | 1968 Summer, 1972 Summer, 1976 Summer, 1980 Summer, 1984 Summer | |
| Riccardo De Magistris | 1976 Summer | |
| Roy De Maistre | Great Britain | Art competitions | 1948 Summer | |
| Luigi De Manincor | Italy | Sailing | 1936 Summer, 1948 Summer | |
| Alessandro De Marchi | Road cycling | 2016 Summer | |
| Roberto De Marchi | Wrestling | 1924 Summer | |
| Secondo De Marchi | Boxing | 1936 Summer | |
| Enrico De Maria | Switzerland | Sailing | 2004 Summer, 2008 Summer, 2012 Summer | |
| Mariano de María | Argentina | Bobsleigh | 1928 Winter | |
| Thibaut De Marre | Belgium | Cross country skiing | 2022 Winter | |
| Jonathan de Marte | Israel | Baseball | 2020 Summer | |
| Virginia De Martin Topranin | Italy | Cross country skiing | 2014 Winter | |
| Dino De Martin | Bobsleigh | 1956 Winter | |
| Giovanni De Martin | 1956 Winter | |
| Angelo De Martini | Track cycling | 1924 Summer | |
| Arianna De Masi | Athletics | 2024 Summer | |
| Martina De Memme | Swimming | 2016 Summer | |
| Franco De Menego | Athletics | 1972 Summer | |
| Mario De Meo | Taekwondo | 2000 Summer | |
| Noël de Mille | Canada | Rowing | 1932 Summer | |
| Renato de Monti | Italy | Canoe slalom | 1992 Summer, 1996 Summer | |
| Fernand de Montigny | Belgium | Fencing, Field hockey | 1908 Summer, 1912 Summer, 1920 Summer, 1924 Summer | |
| Uberto De Morpurgo | Italy | Tennis | 1924 Summer | |
| Tom De Mul | Belgium | Football | 2008 Summer | |
| Gustave De Mulder | Rowing | 1920 Summer | |
| Lucien De Muynck | Athletics | 1952 Summer | |
| Nadia De Nardin | Italy | Ice hockey | 2006 Winter | |
| Mario De Negri | Athletics | 1932 Summer | |
| Roland de Neve | Belgium | Road cycling, Track cycling | 1964 Summer | |
| Felice De Nicolò | Italy | Alpine skiing | 1960 Winter, 1964 Winter | |
| Marco De Nicolo | Shooting | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Sarah De Nutte | Luxembourg | Table tennis | 2020 Summer, 2024 Summer | |
| Ludovina de Oliveira | Mozambique | Athletics | 1980 Summer | |
| Wanderson de Oliveira | Brazil | Boxing | 2020 Summer | |
| Gioacchino De Palma | Italy | Athletics | 1968 Summer | |
| Luciano de Paolis | Bobsleigh | 1968 Winter, 1972 Winter | |
| Lorne De Pape | New Zealand | Curling | 2006 Winter | |
| François De Pauw | Belgium | Basketball | 1948 Summer | |
| Henri De Pauw | Water polo | 1928 Summer, 1936 Summer, 1948 Summer | |
| Roger De Pauw | Track cycling | 1948 Summer | |
| George De Peana | Guyana | Athletics | 1960 Summer | |
| Franco De Pedrina | Italy | Rowing | 1964 Summer | |
| Gino de Pellegrín | Argentina | Alpine skiing | 1948 Winter, 1952 Winter | |
| Mauro De Pellegrini | Italy | Road cycling | 1980 Summer | |
| Franco De Piccoli | Boxing | 1960 Summer | |
| Roberto De Piero | Ice hockey | 1984 Winter | |
| Arno De Planta | Switzerland | Sailing | 2024 Summer | |
| Laurens De Plus | Belgium | Road cycling | 2016 Summer | |
| Giovanni De Prà | Italy | Football | 1924 Summer, 1928 Summer | |
| Ruben De Pra | Figure skating | 2002 Winter | |
| Philippe de Pret Roose | Belgium | Bobsleigh | 1936 Winter | |
| Alwin de Prins | Luxembourg | Swimming | 2000 Summer, 2004 Summer, 2008 Summer | |
| Helmut de Raaf | West Germany, Germany | Ice hockey | 1988 Winter, 1992 Winter, 1994 Winter | |
| Sem De Ranieri | Italy | Shooting | 1920 Summer, 1924 Summer | |
| Colleen De Reuck | South Africa, United States | Athletics | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| József de Révay | Hungary | Ice hockey | 1928 Winter | |
| Enrique de Ridder | Argentina | Alpine skiing | 1984 Winter | |
| Francisco de Ridder | 1952 Winter | |
| Louis De Ridder | Belgium | Ice hockey, Speed skating, Bobsleigh | 1924 Winter, 1936 Winter | |
| Luis de Ridder | Argentina | Alpine skiing | 1948 Winter, 1952 Winter | |
| Gilbert De Rieck | Belgium | Track cycling | 1960 Summer | |
| Renato De Riva | Italy | Speed skating | 1960 Winter, 1964 Winter, 1968 Winter | |
| Linda De Rocco | Ice hockey | 2006 Winter | |
| Jean De Rode | Belgium | Rowing | 1936 Summer | |
| Manon De Roey | Golf | 2020 Summer, 2024 Summer | |
| Francisco De Roig | Spain | Field hockey | 1928 Summer | |
| Albert De Roocker | Belgium | Fencing | 1924 Summer, 1928 Summer | |
| Sepp De Roover | Football | 2008 Summer | |
| Jacques De Wykerslooth De Rooyesteyn | Modern pentathlon | 1924 Summer | |
| Daniele De Rossi | Italy | Football | 2004 Summer | |
| Mino De Rossi | Track cycling | 1952 Summer | |
| Luigi De Rosso | Athletics | 1960 Summer | |
| Alexandre De Saedeleer | Belgium | Field hockey | 2012 Summer | |
| Maria José Batista de Sales | Brazil | Handball | 2000 Summer | |
| Antonio De Sanctis | Italy | Bobsleigh | 2006 Winter | |
| Guglielmo De Sanctis | Diving | 1920 Summer | |
| Francesco De Santis | Canoe sprint | 1972 Summer | |
| Riccardo De Santis | Baseball | 2004 Summer | |
| Renato De Sanzuane | Water polo | 1952 Summer | |
| John De Saram | Sri Lanka | Athletics | 1948 Summer | |
| Gustave De Schryver | Belgium | Track cycling | 1920 Summer | |
| Jean De Schryver | Boxing | 1936 Summer | |
| Frederick de Selding | United States | Athletics | 1908 Summer | |
| Menaka de Silva | Sri Lanka | Swimming | 2004 Summer | |
| Neil de Silva | Trinidad and Tobago | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Lorenzo De Silvestri | Italy | Football | 2008 Summer | |
| Modesto De Silvestro | Nordic combined | 1976 Winter | |
| Arthur De Sloover | Belgium | Field hockey | 2020 Summer, 2024 Summer | |
| Jarno De Smedt | Archery | 2020 Summer | |
| Gustaaf De Smet | Road cycling, Track cycling | 1956 Summer | |
| Luc De Smet | Road cycling | 1980 Summer | |
| Stijn De Smet | Football | 2008 Summer | |
| Tibo De Smet | Athletics | 2024 Summer | |
| Laura De Snoo | United States | 1984 Summer | |
| Charles De Sorgher | Belgium | Bobsleigh | 1952 Winter | |
| Walter de Sousa | India | Field hockey | 1948 Summer | |
| Érico de Souza | Brazil | Rowing | 1972 Summer | |
| Francisco de Souza | Angola | Judo | 1992 Summer | |
| Isadora Lopes de Souza | Brazil | Rugby sevens | 2024 Summer | |
| João de Souza | Angola | Judo | 1992 Summer | |
| Georges De Spae | Belgium | Football | 1928 Summer | |
| Giulio De Stefano | Italy | Sailing | 1960 Summer | |
| Alessandro De Taddei | Speed skating | 1992 Winter, 1994 Winter | |
| Silvia de Tapia | Mexico | Archery | 1972 Summer | |
| Bret de Thier | New Zealand | Sailing | 1972 Summer | |
| Zoe de Toledo | Great Britain | Rowing | 2016 Summer | |
| Lino De Toni | Italy | Ice hockey | 1994 Winter | |
| Manuel de Toni | 2006 Winter | |
| Miguel de Toro | Spain | Water polo | 2020 Summer, 2024 Summer | |
| Luca De Tullio | Italy | Swimming | 2024 Summer | |
| Marco De Tullio | 2020 Summer, 2024 Summer | |
| Lisa De Vanna | Australia | Football | 2004 Summer, 2016 Summer | |
| Arturo De Vecchi | Italy | Fencing | 1928 Summer, 1932 Summer | |
| Renzo De Vecchi | Football | 1912 Summer, 1920 Summer, 1924 Summer | |
| Lydia de Vega | Philippines | Athletics | 1984 Summer, 1988 Summer | |
| Derck de Vilder | Netherlands | Field hockey | 2024 Summer | |
| Armando De Vincentiis | Italy | Athletics | 1972 Summer, 1976 Summer | |
| Roger De Vlaeminck | Belgium | Road cycling | 1968 Summer | |
| Liesbet De Vocht | 2012 Summer | |
| Charlotte De Vos | Field hockey | 2012 Summer | |
| Nathalie De Vos | Athletics | 2008 Summer | |
| Michelle de Vries | Australia | Swimming | 1976 Summer | |
| Monique de Vries | Sailing | 2020 Summer | |
| Lindsay De Vylder | Belgium | Track cycling | 2024 Summer | |
| Kayla de Waal | South Africa | Field hockey | 2024 Summer | |
| Robert De Waele | Belgium | Canoe sprint | 1960 Summer | |
| François De Wagheneire | Road cycling, Track cycling | 1956 Summer | |
| Maurice de Wée | Fencing | 1920 Summer | |
| Paul De Weert | Rowing | 1972 Summer, 1976 Summer | |
| John de Wet | Zimbabwe | Judo | 1980 Summer | |
| Etienne De Wilde | Belgium | Track cycling | 1996 Summer, 2000 Summer | |
| Georges de Wilde | France | Speed skating | 1924 Winter | |
| Frank de Wit | Netherlands | Judo | 2016 Summer, 2020 Summer, 2024 Summer | |
| Alfons De Wolf | Belgium | Road cycling | 1976 Summer | |
| Marcel de Wolf | France | Artistic gymnastics | 1948 Summer, 1952 Summer | |
| André De Wulf | Belgium | Bobsleigh | 1952 Winter | |
| Liam de Young | Australia | Field hockey | 2004 Summer, 2008 Summer, 2012 Summer | |
| Francesco De Zanna | Italy | Bobsleigh | 1936 Winter | |
| Maurilio De Zolt | Cross country skiing | 1980 Winter, 1984 Winter, 1988 Winter, 1992 Winter, 1994 Winter | |
| Bruno De Zordo | Ski jumping | 1964 Winter | |
| Dino De Zordo | 1960 Winter | |
| Matthias de Zordo | Germany | Athletics | 2012 Summer | |
| Nevio de Zordo | Italy | Bobsleigh | 1972 Winter, 1976 Winter | |
| Nimmi de Zoysa | Sri Lanka | Athletics | 2000 Summer | |
| Anna-Marie de Zwager | Canada | Rowing | 2004 Summer, 2008 Summer | |
| De Jiaojiao | China | Field hockey | 2012 Summer, 2016 Summer | |
| Amos Deacon | United States | 1932 Summer, 1936 Summer | |
| Bruce Deacon | Canada | Athletics | 1996 Summer, 2000 Summer | |
| Jared Deacon | Great Britain | 2000 Summer | |
| Maxwell Deacon | Canada | Ice hockey | 1936 Winter | |
| Ronaldo Deaconu | Romania | Football | 2020 Summer | |
| Adam Deadmarsh | United States | Ice hockey | 1998 Winter, 2002 Winter | |
| Bryce Deadmon | Athletics | 2020 Summer, 2024 Summer | |
| Burke Deadrich | Wrestling | 1972 Summer | |
| Mark Deady | Athletics | 1988 Summer | |
| Mihály Deák-Bárdos | Hungary | Wrestling | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Christine Deakes | Australia | Swimming | 1968 Summer | |
| Nathan Deakes | Athletics | 2000 Summer, 2004 Summer, 2012 Summer | |
| Joe Deakin | Great Britain | 1908 Summer | |
| John Deakin | Rowing | 1992 Summer | |
| Matt Deakin | United States | 2004 Summer | |
| Joanne Deakins | Great Britain | Swimming | 1992 Summer, 1996 Summer | |
| Marcell Deák-Nagy | Hungary | Athletics | 2012 Summer | |
| John Deal | United States | Football | 1928 Summer | |
| Lance Deal | Athletics | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Alan Dean | Great Britain | 1964 Summer | |
| Anthony Dean | Australia | Cycling BMX racing | 2016 Summer, 2020 Summer | |
| Christopher Dean | Great Britain | Figure skating | 1980 Winter, 1984 Winter, 1994 Winter | |
| Clark Dean | United States | Rowing | 2020 Summer, 2024 Summer | |
| Daniel Dean | Athletics | 1932 Summer | |
| Decker Dean | Ski jumping | 2022 Winter | |
| Frederick Dean | Great Britain | Rugby | 1908 Summer | |
| Genki Dean | Japan | Athletics | 2012 Summer, 2024 Summer | |
| John Dean | New Zealand | Road cycling, Track cycling | 1968 Summer, 1972 Summer | |
| Julian Dean | Track cycling, Road cycling | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Mark Dean | United States | Swimming | 1988 Summer | |
| Peter Dean | Sailing | 1972 Summer | |
| Randy Dean | Handball | 1976 Summer | |
| Robert Dean | 1976 Summer | |
| Tom Dean | Great Britain | Swimming | 2020 Summer, 2024 Summer | |
| Will Dean | Canada | Rowing | 2012 Summer, 2016 Summer | |
| William Henry Dean | Great Britain | Water polo | 1920 Summer | |
| Andrew Deane | Australia | Field hockey | 1988 Summer | |
| Anthony Deane | Skeleton | 2010 Winter | |
| John Deanfield | Great Britain | Fencing | 1972 Summer, 1976 Summer | |
| Mike DeAngelis | Italy | Ice hockey | 1992 Winter, 1994 Winter, 1998 Winter | |
| Nancy Deano | Philippines | Swimming | 1976 Summer | |
| Caitlin Deans | New Zealand | 2024 Summer | |
| Dave Dear | Great Britain | Athletics | 1972 Summer | |
| Arthur Dearborn | United States | Athletics, Tug of war | 1908 Summer | |
| Jacob Dearborn | Canada | Bobsleigh | 2022 Winter | |
| Deena Deardurff | United States | Swimming | 1972 Summer | |
| Alice Dearing | Great Britain | Marathon swimming | 2020 Summer | |
| Daniel Dearing | Canada | Beach volleyball | 2024 Summer | |
| Paul Dearing | Australia | Field hockey | 1964 Summer, 1968 Summer, 1972 Summer | |
| Jack Dearlove | Great Britain | Rowing | 1948 Summer | |
| Laura Deas | Skeleton | 2018 Winter, 2022 Winter | |
| Wayne DeAtley | United States | Bobsleigh | 1984 Winter | |
| Alexe Déau | France | Athletics | 2024 Summer | |
| Richard Deaver | United States | Sailing | 1964 Summer | |
| Tim Deavin | Australia | Field hockey | 2012 Summer, 2016 Summer | |
| Pascal Debacker | France | Athletics | 1984 Summer | |
| Harry DeBaecke | United States | Rowing | 1900 Summer | |
| Debailly [ Wikidata ] | France | Artistic gymnastics | 1900 Summer | |
| Spiro Debarski | Bulgaria | Football | 1960 Summer | |
| Marine Debauve | France | Artistic gymnastics | 2004 Summer, 2008 Summer | |
| Félix Debax | Fencing | 1900 Summer | |
| Guy Debbaudt | Belgium | Field hockey | 1960 Summer | |
| Tetiana Debela | Ukraine | Athletics | 2000 Summer | |
| Matjaž Debelak | Yugoslavia | Ski jumping | 1988 Winter | |
| Dmitry Debelka | Belarus | Wrestling | 2000 Summer | |
| Horace Debenham | Great Britain | Rowing | 1924 Summer | |
| Brooke DeBerdine | United States | Field hockey | 2024 Summer | |
| Emma DeBerdine | 2024 Summer | |
| Fanny Deberghes | France | Swimming | 2016 Summer | |
| Danièle Debernard | Alpine skiing | 1972 Winter, 1976 Winter | |
| Ilaria Debertolis | Italy | Cross country skiing | 2014 Winter, 2018 Winter | |
| Monika Debertshäuser | East Germany | 1976 Winter | |
| Ahmed Debes | Egypt | Handball | 1992 Summer | |
| Karim El Debes | Football | 2024 Summer | |
| Mossana Debesai | Eritrea | Road cycling | 2020 Summer | |
| Charles Debeur | Belgium | Fencing | 1928 Summer, 1936 Summer, 1948 Summer | |
| Jacques Debeur | 1956 Summer, 1960 Summer | |
| Rajmond Debevec | Yugoslavia, Slovenia | Shooting | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| McKenna DeBever | Peru | Swimming | 2020 Summer, 2024 Summer | |
| Debinha | Brazil | Football | 2016 Summer, 2020 Summer | |
| Ismael Debjani | Belgium | Athletics | 2020 Summer | |
| Asfaw Deble [ Wikidata ] | Ethiopia | 1980 Summer | |
| Lucien Debleyser | Belgium | Boxing | 1924 Summer | |
| Tamás Debnár | Hungary | Swimming | 1988 Summer | |
| Nadine Debois | France | Athletics | 1988 Summer | |
| Albert Deborgies | Water polo | 1924 Summer | |
| Willy Debosscher | Belgium | Track cycling | 1968 Summer | |
| Marie-Christine Debourse | France | Athletics | 1972 Summer, 1976 Summer | |
| Pablo Debran | Switzerland | Tennis | 1924 Summer | |
| Tibor Debreceni | Hungary | Road cycling | 1972 Summer | |
| Debrinay [ Wikidata ] | France | Fencing | 1900 Summer | |
| Irène Debrunner | Switzerland | Swimming | 1972 Summer | |
| Richard Debrunner | Wrestling | 1960 Summer | |
| Gabriela DeBues-Stafford | Canada | Athletics | 2016 Summer, 2020 Summer | |
| Jean Debuf | France | Weightlifting | 1948 Summer, 1952 Summer, 1956 Summer, 1960 Summer | |
| Albert De Bunne | Belgium | Road cycling, Track cycling | 1920 Summer | |
| Philippe Debureau | France | Handball | 1992 Summer | |
| Frédérik Deburghgraeve | Belgium | Swimming | 1992 Summer, 1996 Summer | |
| Henri Jean Début [ Wikidata ] | France | Fencing | 1900 Summer | |
| Fernand Decanali | Track cycling | 1948 Summer | |
| Albert Decaris | Art competitions | 1948 Summer | |
| Wesly Decas | Honduras | Football | 2020 Summer | |
| Yurendell DeCaster | Netherlands | Baseball | 2004 Summer, 2008 Summer | |
| Jacques Decaux | France | Shooting | 1960 Summer | |
| Jean, duc Decazes | Sailing | 1900 Summer | |
| René Deceja | Uruguay | Road cycling, Track cycling | 1956 Summer, 1968 Summer | |
| Eduardo Decena | Philippines | Basketball | 1948 Summer | |
| Ryan Decenzo | Canada | Skateboarding | 2024 Summer | |
| Sunday Dech | South Sudan | Basketball | 2024 Summer | |
| Stéphanie Dechand | France | Rowing | 2008 Summer | |
| Françoise Decharne | Shooting | 1984 Summer | |
| Shumi Dechasa | Bahrain | Athletics | 2020 Summer | |
| Preya Dechdumrong | Thailand | 1964 Summer | |
| Ravdangiin Dechinmaa | Mongolia | Judo | 1992 Summer | |
| Michel Dechmann | Luxembourg | Wrestling | 1920 Summer | |
| Nathalie Dechy | France | Tennis | 2000 Summer, 2004 Summer | |
| John Beresford, 5th Baron Decies | Great Britain | Polo | 1900 Summer | |
| Pedro Rubén Décima | Argentina | Boxing | 1984 Summer | |
| Décio | Brazil | Football | 1960 Summer | |
| Gabriel Deck | Argentina | Basketball | 2016 Summer, 2020 Summer | |
| Victoria Decka | The Gambia | Athletics | 1984 Summer | |
| Tom Deckard | United States | 1936 Summer | |
| Ludwig Deckardt | Austria | 1924 Summer | |
| Volker Deckardt | Swimming | 1964 Summer | |
| Joachim Deckarm | West Germany | Handball | 1976 Summer | |
| Ádám Decker | Hungary | Water polo | 2016 Summer | |
| Alexander Decker | Austria | Boxing | 1924 Summer | |
| Andreas Decker | East Germany | Rowing | 1976 Summer, 1980 Summer | |
| Attila Decker | Hungary | Water polo | 2016 Summer | |
| Brianna Decker | United States | Ice hockey | 2014 Winter, 2018 Winter, 2022 Winter | |
| László Decker | Hungary | Rowing | 1952 Summer | |
| Luc Decker | Luxembourg | Swimming | 2000 Summer | |
| Mary Decker | United States | Athletics | 1984 Summer, 1988 Summer, 1996 Summer | |
| Tilly Decker | Luxembourg | 1948 Summer | |
| Alf-Gerd Deckert | East Germany | Cross country skiing | 1980 Winter | |
| Charles Deckert | France | Artistic gymnastics | 1900 Summer | |
| Günter Deckert | East Germany | Nordic combined | 1972 Winter, 1976 Winter | |
| Manfred Deckert | Ski jumping | 1980 Winter | |
| Dick Decloe | Netherlands | Ice hockey | 1980 Winter | |
| Tone Dečman | Yugoslavia | Nordic combined | 1936 Winter | |
| Fernanda Decnop | Brazil | Sailing | 2016 Summer | |
| Yvan Decock | Belgium | Canoe sprint | 1960 Summer | |
| Henri Decoin | France | Swimming, Water polo | 1908 Summer, 1912 Summer | |
| Jean-Claude Decosse | Athletics | 1972 Summer | |
| Lucie Décosse | Judo | 2004 Summer, 2008 Summer, 2012 Summer | |
| Sara DeCosta-Hayes | United States | Ice hockey | 1998 Winter, 2002 Winter | |
| Alex Decoteau | Canada | Athletics | 1912 Summer | |
| Edmond Decottignies | France | Weightlifting | 1924 Summer | |
| André Decours | Rowing | 1928 Summer | |
| Bernard Decoux | Artistic gymnastics | 1976 Summer | |
| Lieselot Decroix | Belgium | Road cycling | 2008 Summer | |
| Marjolein Decroix | Alpine skiing | 2018 Winter | |
| François Decrombecque | France | Athletics | 1924 Summer | |
| Luc Decrop | Belgium | Field hockey | 1956 Summer | |
| Joseph Decroze | France | Artistic gymnastics | 1900 Summer | |
| Ferenc Décsey | Hungary | Shooting | 1952 Summer | |
| Tamás Decsi | Fencing | 2008 Summer, 2016 Summer, 2020 Summer | |
| Max Decugis | France | Tennis | 1900 Summer, 1920 Summer | |
| Melania Decuseară | Romania | Diving | 1972 Summer | |
| Alphonse Decuyper | France | Water polo | 1900 Summer | |
| Precious Dede | Nigeria | Football | 2004 Summer, 2008 Summer | |
| Frank Dedecker | Belgium | Rowing | 1976 Summer | |
| Brendon Dedekind | South Africa | Swimming | 1996 Summer, 2000 Summer | |
| Ewa Dederko | Poland | Triathlon | 2008 Summer | |
| Joseph Dedeyn | France | Bobsleigh | 1928 Winter | |
| Virginie Dedieu | Artistic swimming | 1996 Summer, 2000 Summer, 2004 Summer | |
| Karin Dedler | West Germany | Alpine skiing | 1988 Winter | |
| Chris Dednam | South Africa | Badminton | 2004 Summer, 2008 Summer | |
| Roelof Dednam | 2008 Summer | |
| Nikola Dedović | Serbia | Water polo | 2020 Summer, 2024 Summer | |
| Ferry Dedovich | Austria | Figure skating | 1964 Winter | |
| Alexandru Dedu | Romania | Handball | 1992 Summer | |
| Georgiana Dedu | Rowing | 2020 Summer | |
| Don Dee | United States | Basketball | 1968 Summer | |
| Rami Deeb | Palestine | Athletics | 2000 Summer | |
| Oskar Deecke | Germany | Field hockey | 2012 Summer | |
| Davinder Singh Deegan | Kenya | 1968 Summer, 1972 Summer | |
| Jim Deegan | Great Britain | 1964 Summer, 1968 Summer | |
| Fehaid Al-Deehani | Kuwait, Independent Olympians | Shooting | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2012 Summer, 2016 Summer | |
| Andrea Deelstra | Netherlands | Athletics | 2016 Summer, 2020 Summer | |
| Paul Deem | United States | Track cycling | 1976 Summer | |
| Lamin Deen | Great Britain | Bobsleigh | 2014 Winter, 2018 Winter | |
| Rupert Deen | Luge | 1972 Winter | |
| Vincent Deeney | United States | Rowing | 1948 Summer | |
| Nawamin Deenoi | Thailand | 2020 Summer | |
| Peter Deer | Canada | Athletics | 1904 Summer | |
| Tony Dees | United States | 1992 Summer | |
| William J. Dees | Great Britain | Boxing | 1908 Summer | |
| Lisa-Marié Deetlefs | South Africa | Field hockey | 2008 Summer, 2012 Summer, 2020 Summer | |
| Daria Deeva | Russia | Swimming | 2012 Summer | |
| Jacques Def | France | Artistic gymnastics | 1984 Summer | |
| Didier Défago | Switzerland | Alpine skiing | 2002 Winter, 2006 Winter, 2010 Winter, 2014 Winter | |
| TJ DeFalco | United States | Volleyball | 2020 Summer, 2024 Summer | |
| Meseret Defar | Ethiopia | Athletics | 2004 Summer, 2008 Summer, 2012 Summer | |
| Rita Defauw | Belgium | Rowing | 1988 Summer | |
| Johanne Defay | France | Surfing | 2020 Summer, 2024 Summer | |
| Pablo Defazio | Uruguay | Sailing | 2016 Summer, 2020 Summer | |
| Gervasio Deferr | Spain | Artistic gymnastics | 2000 Summer, 2004 Summer, 2008 Summer | |
| J. Defert [ Wikidata ] | France | Tennis | 1896 Summer | |
| David Defiagbon | Nigeria, Canada | Boxing | 1992 Summer, 1996 Summer | |
| Zmaj Defilipis | Yugoslavia | Swimming | 1936 Summer | |
| Federico Deflorian | Italy | Cross country skiing | 1952 Winter, 1956 Winter, 1960 Winter | |
| Guy Defraigne | Belgium | Rowing | 1972 Summer, 1984 Summer | |
| William Defraigne | 1984 Summer | |
| José Defran | Dominican Republic | Wrestling | 1968 Summer | |
| Hélène Defrance | France | Sailing | 2016 Summer | |
| Anita DeFrantz | United States | Rowing | 1976 Summer | |
| Vincent Defrasne | France | Biathlon | 2002 Winter, 2006 Winter, 2010 Winter | |
| Donnie Defreitas | Saint Vincent and the Grenadines | Swimming | 2004 Summer | |
| Spyros Defteraios | Greece | Wrestling | 1948 Summer, 1956 Summer | |
| Phil DeGaetano | Italy | Ice hockey | 1994 Winter | |
| James DeGale | Great Britain | Boxing | 2008 Summer | |
| Dorin Degan | Romania | Bobsleigh | 1984 Winter, 1988 Winter | |
| Menahem Degani | Israel | Basketball | 1952 Summer | |
| Jean-Luc Deganis | France | 1984 Summer | |
| Jacques Degats | Athletics | 1952 Summer, 1956 Summer | |
| Jean Degaudenzi | Switzerland | Sailing | 1972 Summer | |
| Damien Degboe | Benin | Athletics | 1980 Summer | |
| Richard Degener | United States | Diving | 1932 Summer, 1936 Summer | |
| Ernesto José Degenhart | Guatemala | Swimming | 1984 Summer | |
| John Degenkolb | Germany | Road cycling | 2012 Summer | |
| Rudolf Degermark | Sweden | Artistic gymnastics | 1908 Summer | |
| Adrien Deghelt | Belgium | Athletics | 2012 Summer | |
| Emmanuel Degland | France | 1924 Summer, 1928 Summer | |
| Henri Deglane | Wrestling | 1924 Summer | |
| Jessica Deglau | Canada | Swimming | 1996 Summer, 2000 Summer | |
| Knud Degn | Denmark | Sailing | 1924 Summer | |
| Malene Degn | Cycling mountain bike | 2020 Summer | |
| Ole Degnæs | Norway | Shooting | 1912 Summer | |
| Georges Kablan Degnan | Ivory Coast | Athletics | 1976 Summer, 1984 Summer | |
| Nelly Degouy | Belgium | Art competitions | 1932 Summer | |
| Yvonne Degraine | France | Swimming | 1920 Summer | |
| Ida Degrande | Belgium | Athletics | 1928 Summer | |
| Céline Degrange | France | Rhythmic gymnastics | 1992 Summer | |
| Yamila Degrase | Cuba | Softball | 2000 Summer | |
| Maurice Degrelle | France | Athletics | 1924 Summer, 1928 Summer | |
| Nicky Degrendele | Belgium | Track cycling | 2024 Summer | |
| Dudley DeGroot | United States | Rugby | 1924 Summer | |
| Hendrik Degros | Belgium | Equestrian eventing | 2004 Summer | |
| Jean Degros | France | Basketball | 1960 Summer | |
| Raoul Degryse | Belgium | Boxing | 1936 Summer | |
| Aleksandr Degtyarev | Soviet Union | Canoe sprint | 1976 Summer | |
| Egor Degtyarev | Russia | Swimming | 2012 Summer | |
| Christa Deguchi | Canada | Judo | 2024 Summer | |
| Hiroyuki Deguchi | Japan | Biathlon | 1976 Winter, 1980 Winter, 1984 Winter | |
| Kazuya Deguchi | Wrestling | 1988 Summer | |
| Kelly Deguchi | Canada | Judo | 2024 Summer | |
| Slaheddine Deguechi | Tunisia | Handball | 1976 Summer | |
| Fikru Deguefu | Ethiopia | Athletics | 1968 Summer | |
| Rod DeHaven | United States | 2000 Summer | |
| André Dehertoghe | Belgium | 1968 Summer, 1972 Summer | |
| François Dehez | Fencing | 1956 Summer, 1960 Summer | |
| Zahra Dehghan | Iran | Archery | 2012 Summer | |
| Hind Dehiba | France | Athletics | 2004 Summer | |
| Fazlollah Dehkhoda | Iran | Weightlifting | 1976 Summer | |
| Anne Karin Dehle | Norway | Figure skating | 1964 Winter | |
| Joachim Dehmel | Germany | Athletics | 1996 Summer | |
| Sebastian Dehmer | Triathlon | 2004 Summer | |
| Werner Dehn | Rowing | 1912 Summer | |
| Nasrollah Dehnavi | Iran | Weightlifting | 1968 Summer, 1972 Summer | |
| Frank Dehne | Germany | Volleyball | 2008 Summer | |
| Max Dehning | Athletics | 2024 Summer | |
| Claude Dehombreux | Belgium | Rowing | 1968 Summer, 1972 Summer, 1976 Summer | |
| Lucien Dehoux | Artistic gymnastics | 1920 Summer | |
| Nives Dei Rossi | Italy | Alpine skiing | 1936 Winter | |
| Riccardo Dei Rossi | Rowing | 1992 Summer, 1996 Summer, 2000 Summer | |
| Walter Dei Vecchi | Argentina | Alpine skiing | 1976 Winter | |
| Markus Deibler | Germany | Swimming | 2008 Summer, 2012 Summer | |
| Steffen Deibler | 2008 Summer, 2012 Summer, 2016 Summer | |
| Alex Deibold | United States | Snowboarding | 2014 Winter | |
| Enrique Deichler [ Wikidata ] | Chile | Equestrian jumping | 1912 Summer | |
| Guntars Deičmans | Latvia | Swimming | 2004 Summer | |
| Francesca Deidda | Italy | Artistic swimming | 2016 Summer, 2020 Summer | |
| Lizzie Deignan | Great Britain | Road cycling | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Philip Deignan | Ireland | 2008 Summer | |
| Thale Rushfeldt Deila | Norway | Handball | 2024 Summer | |
| Peter Deimböck | Austria | Road cycling, Track cycling | 1960 Summer | |
| Jens Deimel | Germany | Nordic combined, Ski jumping | 1992 Winter, 1998 Winter | |
| Luis Deines Pérez | Puerto Rico | Boxing | 1996 Summer | |
| Beate Deininger | West Germany | Field hockey | 1984 Summer | |
| Ivars Deinis | Latvia | Luge | 2002 Winter | |
| Edward Deir | Canada | Canoe sprint | 1936 Summer | |
| Jake Deitchler | United States | Wrestling | 2008 Summer | |
| Julie Deiters | Netherlands | Field hockey | 2000 Summer | |
| Georges Dejaeghère | France | Artistic gymnastics | 1900 Summer | |
| Veerle Dejaeghere | Belgium | Athletics | 2000 Summer, 2008 Summer, 2016 Summer | |
| Gabriel Déjean [ Wikidata ] | France | Artistic gymnastics | 1900 Summer | |
| Ronaldo Dejesús | Paraguay | Football | 2024 Summer | |
| Shigeyuki Dejima | Japan | Speed skating | 2010 Winter | |
| Tamio Dejima | 1968 Winter | |
| Godfried Dejonckheere | Belgium | Athletics | 1976 Summer, 1988 Summer, 1992 Summer | |
| Geert Dejonghe | Short track speed skating | 1992 Winter | |
| Dede Dekaj | Albania | Weightlifting | 1992 Summer | |
| Vlasta Děkanová | Czechoslovakia | Artistic gymnastics | 1936 Summer | |
| Tatjana Đekanović | Bosnia and Herzegovina | Shooting | 2016 Summer, 2020 Summer | |
| Louis De Deken | Belgium | Field hockey | 1928 Summer | |
| Bets Dekens | Netherlands | Athletics | 1928 Summer | |
| Jérôme Dekeyser | Belgium | Field hockey | 2008 Summer, 2012 Summer | |
| Iryna Dekha | Ukraine | Weightlifting | 2016 Summer, 2020 Summer | |
| Aleksandr Dekhayev | Soviet Union | Modern pentathlon | 1952 Summer | |
| Lkhamjavyn Dekhlee | Mongolia | Shooting | 1964 Summer | |
| Anouk Dekker | Netherlands | Football | 2020 Summer | |
| Ans Dekker | Artistic gymnastics | 1972 Summer, 1976 Summer | |
| Carel Dekker | Field hockey | 1960 Summer | |
| Erik Dekker | Road cycling | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Femke Dekker | Rowing | 2000 Summer, 2004 Summer, 2008 Summer | |
| Gé Dekker | Swimming | 1924 Summer | |
| Han Dekker | Rowing | 1948 Summer | |
| Inge Dekker | Swimming | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Louis Dekker | Rowing | 1924 Summer | |
| Michelle Dekker | Snowboarding | 2014 Winter, 2018 Winter, 2022 Winter | |
| Ron Dekker | Swimming | 1988 Summer | |
| Thomas Dekker | Road cycling | 2004 Summer | |
| Ad Dekkers | Track cycling | 1972 Summer | |
| Elizabeth Dekkers | Australia | Swimming | 2024 Summer | |
| Hens Dekkers | Netherlands | Boxing | 1936 Summer | |
| Hurnet Dekkers | Rowing | 2004 Summer | |
| Tin Dekkers | Boxing | 1936 Summer | |
| Henri Dekking | Bobsleigh | 1928 Winter | |
| Cvetana Dekleva | Yugoslavia | Basketball | 1984 Summer | |
| Vesna Dekleva | Slovenia | Sailing | 1996 Summer, 2004 Summer, 2008 Summer | |
| Dieter Dekoninck | Belgium | Swimming | 2012 Summer, 2016 Summer | |
| Yury Deksbakh | Soviet Union | Fencing | 1952 Summer | |
| Tatyana Dektyareva | Russia | Athletics | 2008 Summer, 2012 Summer | |
| Guglielmo Del Bimbo | Italy | Rowing | 1932 Summer, 1936 Summer | |
| Christopher Del Bosco | Canada | Freestyle skiing | 2010 Winter, 2014 Winter, 2018 Winter | |
| Gianni Del Buono | Italy | Athletics | 1968 Summer, 1972 Summer | |
| Franco Del Campo | Swimming | 1968 Summer | |
| María del Carmen Vaz | Spain | Sailing | 2000 Summer | |
| Bianca Del Carretto | Italy | Fencing | 2012 Summer | |
| Jorge del Carril | Argentina | Bobsleigh | 1928 Winter | |
| Athenea del Castillo | Spain | Football | 2024 Summer | |
| Ernesto del Castillo | Mexico | Equestrian eventing | 1968 Summer | |
| Sandra del Castillo | 1984 Summer | |
| Giovanni Del Colle | United States | Art competitions | 1932 Summer | |
| Laurent del Colombo | France | Judo | 1984 Summer | |
| Antonella Del Core | Italy | Volleyball | 2004 Summer, 2012 Summer, 2016 Summer | |
| Roberta Del Core | Rowing | 1984 Summer | |
| Daniela Del Din | San Marino | Shooting | 2008 Summer | |
| Marcello Del Duca | Italy | Water polo | 1976 Summer | |
| Enzo Del Forno | Athletics | 1972 Summer | |
| Alfredo Del Francia | Fencing | 1968 Summer, 1972 Summer | |
| Fabio Del Genovese | Wrestling | 1924 Summer | |
| Francesco Del Grosso | Track cycling | 1924 Summer | |
| Tirso del Junco | Cuba | Rowing | 1948 Summer | |
| Marco Del Lungo | Italy | Water polo | 2016 Summer, 2020 Summer, 2024 Summer | |
| Sabrina Del Mastio | Softball | 2004 Summer | |
| Felipe del Mestre | Argentina | Rugby sevens | 2020 Summer | |
| Simone Del Nero | Italy | Football | 2004 Summer | |
| Ángela del Pan | Spain | Rugby sevens | 2016 Summer | |
| María del Pilar | Guatemala | Athletics | 1988 Summer | |
| Ajla Del Ponte | Switzerland | 2016 Summer, 2020 Summer | |
| Marco Del Prete | Italy | Swimming | 1984 Summer | |
| Diego del Real | Mexico | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Cecilia del Risco | Peru | Volleyball | 1976 Summer, 1980 Summer, 1984 Summer | |
| Rodrigo del Rosario | Philippines | Weightlifting | 1948 Summer, 1952 Summer, 1956 Summer | |
| Salvador del Rosario | 1968 Summer, 1972 Summer, 1976 Summer | |
| Maurice del Valle | France | Ice hockey | 1924 Winter | |
| Andres dela Cruz | Philippines | Basketball | 1948 Summer | |
| Henri Delabarre | France | Rowing | 1900 Summer | |
| Marius Delaby [ Wikidata ] | Athletics | 1912 Summer | |
| Mario Delač | Croatia | Swimming | 2004 Summer | |
| Catherine Delachanal | France | Athletics | 1976 Summer | |
| Nadine Delache | Swimming | 1960 Summer | |
| Perrine Delacour | Golf | 2020 Summer, 2024 Summer | |
| Yves Delacour | Rowing | 1956 Summer | |
| Gérald Delacroix | Canoe sprint | 1972 Summer, 1976 Summer | |
| Jourdan Delacruz | United States | Weightlifting | 2020 Summer, 2024 Summer | |
| Arthur Delaender | Belgium | Athletics | 1920 Summer | |
| Antonia Delaere | Basketball | 2020 Summer, 2024 Summer | |
| Graham DeLaet | Canada | Golf | 2016 Summer | |
| Patrick Delafield | Great Britain | Rowing | 1972 Summer | |
| Michel Delafosse | France | Football | 1968 Summer | |
| Giovanni Delago | Italy | Cross country skiing | 1932 Winter | |
| Nadia Delago | Alpine skiing | 2022 Winter | |
| Nicol Delago | 2018 Winter, 2022 Winter | |
| Charles Delahaye | Canada | Ice hockey | 1928 Winter | |
| Michael Delahooke | Great Britain | Rowing | 1956 Summer | |
| Sinéad Delahunty | Ireland | Athletics | 1996 Summer, 2000 Summer | |
| Jone Delai | Fiji | 1996 Summer | |
| Ilisapeci Delaiwau | Rugby sevens | 2024 Summer | |
| Evangelos Delakas | Greece | Water polo | 2012 Summer, 2016 Summer | |
| Delaleau [ Wikidata ] | France | Artistic gymnastics | 1900 Summer | |
| Jean-Romain Delaloye | Switzerland | Diving | 2000 Summer, 2004 Summer | |
| Henri Delamaide [ Wikidata ] | France | Fencing | 1900 Summer | |
| Hervé Delamarre | Canoe slalom | 1996 Summer | |
| Ashley Delaney | Australia | Swimming | 2008 Summer | |
| Cameron Delaney | 2000 Summer | |
| Jim Delaney | United States | Athletics | 1948 Summer | |
| Mark Delaney | Great Britain | Canoe slalom | 1992 Summer, 1996 Summer | |
| Peter Delaney | New Zealand | Rowing | 1964 Summer | |
| Edgard Delannoit | Belgium | Boxing | 1948 Summer | |
| Albert Delannoy | France | Athletics | 1900 Summer | |
| Sabrina Delannoy | Football | 2016 Summer | |
| Delano & Aldrich | United States | Art competitions | 1928 Summer | |
| Jorge Delano | Brazil | Volleyball | 1972 Summer | |
| Alf Delany | Ireland | Sailing | 1948 Summer, 1952 Summer | |
| Michael Delany | Australia | Swimming | 1984 Summer | |
| Ron Delany | Ireland | Athletics | 1956 Summer, 1960 Summer | |
| Louis Delapchier | France | Art competitions | 1924 Summer | |
| Quentin Delapierre | Sailing | 2020 Summer | |
| Gaston Delaplane | Track cycling | 1908 Summer | |
| Charles Delaporte | Rowing | 1900 Summer | |
| Fernand Delarge | Belgium | Boxing | 1924 Summer | |
| Jean Delarge | Athletics | 1920 Summer | |
| Jean Delarge | Boxing | 1924 Summer | |
| Sandra DeLaRiva | United States | Handball | 1984 Summer, 1988 Summer | |
| Flávia Delaroli | Brazil | Swimming | 2004 Summer, 2008 Summer | |
| Barnabé Delarze | Switzerland | Rowing | 2016 Summer, 2020 Summer | |
| Caroline Delas | France | 2004 Summer | |
| Miquel Delas | Spain | Field hockey | 2012 Summer, 2016 Summer, 2020 Summer | |
| Marjorie Delassus | France | Canoe slalom | 2020 Summer, 2024 Summer | |
| Louis Delattre | Artistic gymnastics | 1908 Summer | |
| Marcel Delattre | Track cycling | 1960 Summer | |
| Marie Delattre | Canoe sprint | 2004 Summer, 2008 Summer, 2012 Summer | |
| Yohan Delattre | Handball | 1996 Summer | |
| Éric Delaunay | Shooting | 2016 Summer, 2020 Summer, 2024 Summer | |
| Louis Delaunoij | Netherlands | Fencing | 1920 Summer | |
| Ghislain Delaunois | Belgium | 1952 Summer, 1956 Summer | |
| Steve Delaup | France | Ski jumping | 1992 Winter, 1994 Winter | |
| Henri Delaval | Belgium | Field hockey | 1936 Summer, 1948 Summer | |
| José Delaval | 1948 Summer, 1952 Summer | |
| Patrice Delaveau | France | Equestrian jumping | 1996 Summer, 2000 Summer | |
| Stany Delayre | Rowing | 2012 Summer | |
| Catherine Delbarre | Fencing | 1956 Summer, 1960 Summer | |
| Charles Delbarre | Belgium | Shooting | 1924 Summer | |
| Marius Delbecque | Football | 1900 Summer | |
| Pierre Delbecque | Field hockey | 1960 Summer | |
| Noël Delberghe | France | Water polo | 1924 Summer | |
| Federico Delbonis | Argentina | Tennis | 2016 Summer | |
| Henri Delcellier | Canada | Fencing | 1932 Summer | |
| Émile Delchambre | France | Rowing | 1900 Summer | |
| Louis Delcon | Belgium | Archery | 1920 Summer | |
| Frédéric Delcourt | France | Swimming | 1980 Summer, 1984 Summer | |
| Ludo Delcroix | Belgium | Road cycling | 1972 Summer | |
| Geert Deldaele | Canoe sprint | 1988 Summer | |
| Jonathan Dele | Nigeria | Boxing | 1968 Summer | |
| Irina Deleanu | Romania | Rhythmic gymnastics | 1992 Summer | |
| Robert Delebarre | France | Weightlifting | 1960 Summer | |
| Eugène Delécluse | Art competitions | 1928 Summer | |
| Jocelyn Delecour | Athletics | 1956 Summer, 1960 Summer, 1964 Summer, 1968 Summer | |
| Sandra Deleglise | Short track speed skating | 1994 Winter | |
| Megan Delehanty | Canada | Rowing | 1992 Summer | |
| Sébastien Deleigne | France | Modern pentathlon | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Charles Delelienne | Belgium | Field hockey | 1920 Summer | |
| Jacques Delelienne | Athletics | 1952 Summer | |
| Brieuc Delemazure [ Wikidata ] | France | Field hockey | 2024 Summer | |
| Philippine Delemazure [ Wikidata ] | 2024 Summer | |
| Caroline Delemer | Modern pentathlon | 2000 Summer | |
| Sandrine Delerce | Handball | 2000 Summer, 2004 Summer | |
| Henri Delerue | Athletics | 1960 Summer, 1964 Summer, 1968 Summer | |
| Michel Delesalle | Ice hockey | 1936 Winter | |
| Philip Delesalle | Canada | Artistic gymnastics | 1976 Summer | |
| Antoine Delescluse | France | 1908 Summer | |
| Honorine Delescluse | 1928 Summer | |
| Louis Delescluse | 1908 Summer | |
| Louise Delescluse | 1928 Summer | |
| Simon Delestre | Equestrian jumping | 2012 Summer, 2020 Summer, 2024 Summer | |
| Ernest Deleu | Belgium | Artistic gymnastics | 1920 Summer | |
| Karin Deleurand | Denmark | Swimming | 1976 Summer | |
| Nikola Delev | Bulgaria | Cross country skiing, Nordic combined | 1948 Winter | |
| Jules Deleval | France | Artistic gymnastics | 1900 Summer | |
| François Deley | Belgium | Swimming | 1972 Summer, 1976 Summer | |
| Jane Deley | France | Art competitions | 1928 Summer | |
| Pierre Délèze | Switzerland | Athletics | 1980 Summer, 1984 Summer, 1988 Summer | |
| Carlos Delfino | Argentina | Basketball | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| David Delfino | Italy | Ice hockey | 1992 Winter, 1994 Winter | |
| Giuseppe Delfino | Fencing | 1952 Summer, 1956 Summer, 1960 Summer, 1964 Summer | |
| Charles Delfosse | Belgium | Sailing | 1948 Summer | |
| Lucien Delfour | Australia | Canoe slalom | 2016 Summer, 2020 Summer | |
| Joanie Delgaco | Philippines | Rowing | 2024 Summer | |
| Flor Delgadillo Ruiz | Colombia | Cycling mountain bike | 2000 Summer | |
| Daniel Delgadillo | Mexico | Marathon swimming | 2020 Summer | |
| Gerónimo Delgadillo | Fencing | 1932 Summer | |
| Adrià Delgado | Brazil | Water polo | 2016 Summer | |
| Angelica Delgado | United States | Judo | 2016 Summer, 2020 Summer, 2024 Summer | |
| Anicka Delgado | Ecuador | Swimming | 2020 Summer, 2024 Summer | |
| Antulio Delgado | Guatemala | Weightlifting | 1984 Summer | |
| Arturo Delgado | Mexico | Boxing | 1972 Summer | |
| Carlos Delgado | Nicaragua | Taekwondo | 2000 Summer | |
| Carmenza Delgado | Colombia | Weightlifting | 2000 Summer, 2004 Summer | |
| César Delgado | Argentina | Football | 2004 Summer | |
| Cyro Delgado | Brazil | Swimming | 1980 Summer, 1984 Summer | |
| Dick Delgado | United States | Wrestling | 1956 Summer | |
| Felipe Delgado | Ecuador | Swimming | 1996 Summer, 2000 Summer | |
| Félix Delgado | Cuba | Fencing | 1968 Summer | |
| Gustavo Delgado | Mexico | Wrestling | 1984 Summer | |
| Hernando Delgado | Spain | 1960 Summer | |
| Isabel Delgado | Mexico | Artistic swimming | 2008 Summer, 2012 Summer | |
| Ismael Delgado | Puerto Rico | Athletics | 1956 Summer | |
| Jorge Delgado | Ecuador | Swimming | 1972 Summer, 1976 Summer | |
| José Raúl Delgado | Cuba | Baseball | 1992 Summer | |
| Juan Delgado | Spain | Fencing | 1924 Summer, 1928 Summer | |
| Lindolfo Delgado | Mexico | Boxing | 2016 Summer | |
| Lorenzo Delgado | 1936 Summer | |
| Manuel Delgado | Spain | Water polo | 1980 Summer | |
| Marcelo Delgado | Argentina | Football | 1996 Summer | |
| Mário Delgado | Portugal | Equestrian eventing | 1960 Summer | |
| Marlo Delgado | Ecuador | Boxing | 2012 Summer, 2016 Summer | |
| Nuno Delgado | Portugal | Judo | 2000 Summer, 2004 Summer | |
| Paola Delgado | Colombia | Taekwondo | 2004 Summer | |
| Pedro Delgado | Cuba | Volleyball | 1972 Summer | |
| Regino Delgado | Football | 1976 Summer, 1980 Summer | |
| Ricardo Delgado | Mexico | Boxing | 1968 Summer | |
| Roberto Delgado | Ecuador | Swimming | 1996 Summer, 2000 Summer | |
| Rocío Delgado | Spain | Freestyle skiing | 2010 Winter | |
| Rodolfo Delgado | Cuba | Field hockey | 1980 Summer | |
| Silviano Delgado | Mexico | Football | 1992 Summer | |
| Silvio Delgado | Cuba | Shooting | 1968 Summer | |
| Solangie Delgado | Colombia | Rugby sevens | 2016 Summer | |
| Troadio Delgado | Cuba | Rowing | 1972 Summer | |
| William Delgado | Colombia | Wrestling | 1988 Summer | |
| Yolanda Delgado | Peru | Volleyball | 1996 Summer | |
| Myagmaryn Delgerkhüü | Mongolia | Swimming | 2020 Summer | |
| Enkhsaikhany Delgermaa | Wrestling | 2024 Summer | |
| Max Delhees | Switzerland | Handball | 1984 Summer | |
| Paul Delheid | Belgium | Field hockey | 1928 Summer, 1936 Summer | |
| Franck Delhem | Fencing | 1960 Summer | |
| Guy Delhumeau | France | Football | 1968 Summer | |
| Aikaterini Deli | Greece | Basketball | 2004 Summer | |
| Rita Deli | Hungary | Handball | 2000 Summer | |
| Carlos César Delía | Argentina | Equestrian jumping | 1956 Summer, 1960 Summer, 1964 Summer, 1968 Summer, 1972 Summer | |
| Christopher Delia | Canada | 1996 Summer | |
| Marcos Delía | Argentina | Basketball | 2016 Summer, 2020 Summer | |
| Silvina D'Elía | Field hockey | 2012 Summer | |
| Orhan Delibaș | Netherlands | Boxing | 1992 Summer | |
| Andrija Delibašić | Serbia and Montenegro | Football | 2004 Summer | |
| Mirza Delibašić | Yugoslavia | Basketball | 1976 Summer, 1980 Summer | |
| François Delibes [ Wikidata ] | France | Fencing | 1900 Summer | |
| Kada Delić | Bosnia and Herzegovina | Athletics | 1992 Summer, 1996 Summer | |
| Patrick Delice | Trinidad and Tobago | 1988 Summer, 1992 Summer | |
| Marie-Laure Delie | France | Football | 2012 Summer, 2016 Summer | |
| Dimitrios Delifotis | Greece | Athletics | 1980 Summer | |
| Nicolo Deligia | Italy | Modern pentathlon | 1968 Summer, 1972 Summer | |
| Dimitrios Deligiannis | Greece | Athletics | 1896 Summer | |
| Dimitrios Deligiannis | Sailing | 1984 Summer, 1988 Summer, 1992 Summer | |
| Nikolaos Deligiannis | Water polo | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Jules Deligny | France | Wrestling | 1920 Summer | |
| Manuela Delilaj | Albania | Shooting | 2020 Summer | |
| Valentina Delion | Moldova | Athletics | 2008 Summer | |
| Luis Delís | Cuba | 1980 Summer | |
| Giovanni Delise | Italy | Rowing | 1928 Summer | |
| Arturo Deliser | Panama | Athletics | 2024 Summer | |
| Cinzia Delisi | Italy | Artistic gymnastics | 1972 Summer | |
| Johanne Delisle | Canada | Rowing | 1976 Summer | |
| Marc Delissen | Netherlands | Field hockey | 1988 Summer, 1992 Summer, 1996 Summer | |
| Kellie Delka [ Wikidata ] | Puerto Rico | Skeleton | 2022 Winter | |
| Matías Dell Olio | Argentina | Skateboarding | 2024 Summer | |
| Gaye Dell | Australia | Athletics | 1976 Summer | |
| Howard Dell | Canada | Bobsleigh | 1988 Winter | |
| Natalie Dell | United States | Rowing | 2012 Summer | |
| Wendy Dell | Canada | Equestrian eventing | 1972 Summer | |
| Alberto Della Beffa | Italy | Bobsleigh | 1952 Winter | |
| Fabrizio Della Fiori | Basketball | 1976 Summer, 1980 Summer | |
| Lara Della Mea | Alpine skiing | 2022 Winter | |
| Nicole Della Monica | Figure skating | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Patric Della Rossa | Switzerland | Ice hockey | 2002 Winter, 2006 Winter | |
| Paolo Della Santa | Athletics | 2000 Summer | |
| Ezio Della Savia | Italy | Swimming | 1960 Summer, 1964 Summer | |
| Nicolás Della Torre | Argentina | Field hockey | 2024 Summer | |
| Dario Della Valle | Italy | Boxing | 1920 Summer | |
| Giuseppe Della Valle | Football | 1924 Summer | |
| Jean-François Dellac | France | Shooting | 2000 Summer | |
| Eugenio Della Casa | Italy | Water polo | 1924 Summer | |
| Sergio Dellachá | Argentina | Equestrian jumping | 1952 Summer | |
| Casey Dellacqua | Australia | Tennis | 2008 Summer, 2012 Summer | |
| Arrigo Delladio | Italy | Cross country skiing | 1952 Winter, 1956 Winter | |
| Ana María Dellai | Argentina | Alpine skiing | 1952 Winter | |
| Enrico Dell'Amore | Italy | Modern pentathlon | 2004 Summer | |
| Antonio Dell'Aquila | Rowing | 1980 Summer, 1984 Summer | |
| Vito Dell'Aquila | Taekwondo | 2020 Summer, 2024 Summer | |
| Ihor Della-Rossa | Soviet Union | Athletics | 1968 Summer | |
| Roberto Dellasega | Italy | Ski jumping | 2010 Winter, 2014 Winter | |
| Matthew Dellavedova | Australia | Basketball | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Elena Delle Donne | United States | 2016 Summer | |
| Walter Delle Karth | Austria | Bobsleigh | 1972 Winter, 1980 Winter, 1984 Winter | |
| Werner Delle Karth | 1972 Winter, 1976 Winter | |
| Moana Delle | Germany | Sailing | 2012 Summer | |
| Emily Delleman [ Wikidata ] | United States | Rowing | 2024 Summer | |
| Charles Dellert [ Wikidata ] | Artistic gymnastics | 1904 Summer | |
| John Dellert | 1904 Summer | |
| Hugo Dellien | Bolivia | Tennis | 2020 Summer | |
| Bill Dellinger | United States | Athletics | 1956 Summer, 1960 Summer, 1964 Summer | |
| Vito Dellino | Italy | Weightlifting | 2008 Summer | |
| Norman Dello Joio | United States | Equestrian jumping | 1992 Summer | |
| Emilio Dell'Oro | Italy | Bobsleigh | 1936 Winter | |
| Vincenzo Dell'Oro | Boxing | 1920 Summer | |
| André Delloue | France | Weightlifting | 1920 Summer, 1924 Summer | |
| James Dellow | Canada | Athletics | 1920 Summer | |
| François Delloye | Belgium | 1908 Summer, 1912 Summer | |
| Francesco Dell'Uomo | Italy | Diving | 2004 Summer, 2008 Summer, 2012 Summer | |
| Marco Dell'Uomo | Swimming | 1984 Summer | |
| Calixte Delmas | France | Wrestling | 1924 Summer | |
| Delmo Delmastro | Argentina | Road cycling | 1964 Summer | |
| Hélène Delmée | Belgium | Field hockey | 2012 Summer | |
| Jeroen Delmee | Netherlands | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Werner Delmes | Germany | 1956 Summer, 1960 Summer | |
| Nicolas Delmotte | France | Equestrian jumping | 2020 Summer | |
| Gábor Delneky | Hungary | Fencing | 1960 Summer | |
| Reto Delnon | Switzerland | Ice hockey | 1952 Winter | |
| Yves Delnord | France | Shooting | 1976 Summer | |
| Janay DeLoach Soukup | United States | Athletics | 2012 Summer, 2016 Summer | |
| Joe DeLoach | 1988 Summer | |
| Isabelle Delobel | France | Figure skating | 2002 Winter, 2006 Winter, 2010 Winter | |
| Ernst Deloch | Germany | Equestrian jumping | 1912 Summer | |
| Henri Deloge | France | Athletics | 1900 Summer | |
| Rhonda DeLong | Canada | Cross country skiing | 1992 Winter | |
| Catie DeLoof | United States | Swimming | 2020 Summer | |
| Pierre-Marie Deloof | Belgium | Rowing | 1984 Summer | |
| Jacqueline Delord | France | Swimming | 1988 Summer, 1992 Summer, 1996 Summer | |
| Edvard Delorenco | Yugoslavia | Shooting | 1952 Summer | |
| Léon Deloy | France | 1924 Summer | |
| Noé Delpech | Sailing | 2016 Summer | |
| Frédéric Delpla | Fencing | 1988 Summer | |
| Maurice Delplanck | Belgium | Rowing | 1928 Summer | |
| Nicholas Delpopolo | United States | Judo | 2012 Summer, 2016 Summer | |
| Charles Delporte | Belgium | Fencing | 1920 Summer, 1924 Summer, 1928 Summer | |
| Charles Delporte | France | Wrestling | 1936 Summer | |
| Georges Delporte | Water polo | 1936 Summer | |
| Delprat [ Wikidata ] | Fencing | 1900 Summer | |
| Jacques Delprat | Netherlands | Bobsleigh | 1928 Winter | |
| Philippe Delrieu | France | Fencing | 1984 Summer, 1988 Summer | |
| Delphine Delrue | Badminton | 2020 Summer, 2024 Summer | |
| Roger Delrue | Belgium | Equestrian dressage | 1924 Summer, 1928 Summer | |
| Léon Delsarte | France | Artistic gymnastics | 1920 Summer, 1924 Summer | |
| Yvan Delsarte | Belgium | Basketball | 1952 Summer | |
| Mahmoud Delshad | Iran | Road cycling | 1976 Summer | |
| Stoyan Deltchev | Bulgaria | Artistic gymnastics | 1976 Summer, 1980 Summer | |
| Ina Deltcheva | Rhythmic gymnastics | 1996 Summer | |
| Carlos Deltour | France | Rowing | 1900 Summer | |
| Sylvaine Deltour | Canoe sprint | 1976 Summer | |
| Mazina Delure | Canada | Rowing | 1976 Summer | |
| Norman Delva | Guatemala | Football | 1988 Summer | |
| Jacques Delval | Belgium | Shooting | 1948 Summer | |
| Maurice Delvart | France | Athletics | 1920 Summer | |
| Marco Delvecchio | Italy | Football | 1996 Summer | |
| Guy Delvingt | France | Judo | 1984 Summer | |
| Virginie Delvingt | Badminton | 1992 Summer | |
| Yves Delvingt | Judo | 1976 Summer, 1980 Summer | |
| Dorji Dema | Bhutan | Archery | 2008 Summer | |
| Yoshiaki Demachi | Japan | Speed skating | 1968 Winter | |
| Yutaka Demachi | Volleyball | 1964 Summer | |
| Sergei Demagin | Belarus | Ice hockey | 2010 Winter | |
| René Demanck | Belgium | Basketball | 1936 Summer | |
| Lucien Démanet | France | Artistic gymnastics | 1900 Summer, 1920 Summer | |
| Victor Demanet | Belgium | Art competitions | 1924 Summer, 1932 Summer, 1936 Summer | |
| Émile Demangel | France | Track cycling | 1908 Summer | |
| Andrey Demanov | Russia | Weightlifting | 2012 Summer | |
| Clarence DeMar | United States | Athletics | 1912 Summer, 1924 Summer, 1928 Summer | |
| Carlo Demarchi | Italy | Football | 1912 Summer | |
| Enrique Demarco | Uruguay | Road cycling | 1948 Summer | |
| Nelson Demarco | Basketball | 1948 Summer, 1952 Summer, 1956 Summer | |
| Arnaud Démare | France | Road cycling | 2012 Summer | |
| Jules Demaré | Rowing | 1900 Summer | |
| William Demarest | United States | Shooting | 2000 Summer | |
| Jean Démaret | France | Art competitions | 1948 Summer | |
| Georges Demarle | Artistic gymnastics | 1908 Summer | |
| Francis Demarthon | Athletics | 1980 Summer | |
| Patricia Demartini | Speed skating | 1968 Winter | |
| Susan DeMattei | United States | Cycling mountain bike | 1996 Summer | |
| Coralie Demay | France | Track cycling | 2020 Summer | |
| Siraba Dembélé Pavlović | Handball | 2012 Summer, 2016 Summer | |
| Mousa Dembélé | Belgium | Football | 2008 Summer | |
| Moussa Dembélé | Senegal | Athletics | 2012 Summer | |
| Sya Dembélé | France | Breaking | 2024 Summer | |
| Doljin Demberel | Mongolia | Archery | 1972 Summer | |
| Ochiryn Demberel | Boxing | 1988 Summer | |
| Tadeusz Dembończyk | Poland | Weightlifting | 1980 Summer | |
| Jennifer Demby-Horton | United States | Handball | 1996 Summer | |
| Albert Demchenko | Unified Team, Russia | Luge | 1992 Winter, 1994 Winter, 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter, 2014 Winter | |
| Sergey Demchenko | Belarus | Wrestling | 2000 Summer | |
| Victoria Demchenko | Russian Olympic Committee | Luge | 2022 Winter | |
| Volodymyr Demchenko | Ukraine | Athletics | 2004 Summer | |
| Andriy Demchuk | Weightlifting | 2000 Summer | |
| József Deme | Hungary | Canoe sprint | 1972 Summer, 1976 Summer, 1980 Summer | |
| Juraj Demeč | Czechoslovakia | Athletics | 1972 Summer | |
| Dirk Demeersman | Belgium | Equestrian jumping | 1992 Summer, 2004 Summer, 2012 Summer | |
| Oluwatosin Demehin | Nigeria | Football | 2024 Summer | |
| Walter Demel | Germany, West Germany | Cross country skiing | 1964 Winter, 1968 Winter, 1972 Winter, 1976 Winter | |
| Yigrem Demelash | Ethiopia | Athletics | 2016 Summer | |
| Lance Dement | United States | Shooting | 2000 Summer | |
| Tim Dement | Boxing | 1972 Summer | |
| Elena Dementieva | Russia | Tennis | 2000 Summer, 2004 Summer, 2008 Summer | |
| Viktor Dementyev | Soviet Union | Rowing | 1972 Summer | |
| Vladimir Dementyev | Swimming | 1976 Summer | |
| Yevgeny Dementyev | Russia | Cross country skiing | 2006 Winter | |
| Yana Dementyeva | Ukraine | Rowing | 2004 Summer, 2008 Summer, 2012 Summer | |
| Yelizaveta Dementyeva | Soviet Union | Canoe sprint | 1956 Summer | |
| László Demény | Hungary | Fencing | 1980 Summer | |
| Dominic Demeritte | Bahamas | Athletics | 2000 Summer, 2004 Summer | |
| Jacques Demers | Canada | Weightlifting | 1984 Summer | |
| Jason Demers | Ice hockey | 2022 Winter | |
| Eileen Demes | Germany | Athletics | 2024 Summer | |
| Bence Demeter | Hungary | Modern pentathlon | 2016 Summer | |
| István Demeter | Wrestling | 1996 Summer | |
| Vasileios Demetis | Greece | Swimming | 2008 Summer | |
| Chris Demetral | Baseball | 2004 Summer | |
| Luke Demetre | Canada | Bobsleigh | 2014 Winter | |
| Teodor Demetriad | Romania | 2002 Winter | |
| Cedric Demetris | Jamaica | Weightlifting | 1968 Summer | |
| Giustina Demetz | Italy | Alpine skiing | 1964 Winter, 1968 Winter | |
| Matthäus Demetz | Cross country skiing | 1928 Winter | |
| Vincenzo Demetz | 1936 Winter | |
| François Demeure | Belgium | Weightlifting | 2000 Summer | |
| Valerie Demey | Road cycling | 2020 Summer | |
| Richard Demeyer | Art competitions | 1932 Summer | |
| Joseph Demicoli | Malta | Water polo | 1936 Summer | |
| Alberto Demiddi | Argentina | Rowing | 1964 Summer, 1968 Summer, 1972 Summer | |
| Karyna Demidik | Belarus | Athletics | 2020 Summer | |
| Valeriya Demidova | Russian Olympic Committee | Freestyle skiing | 2018 Winter | |
| Stalina Demidova-Korzukhina | Soviet Union | Alpine skiing | 1960 Winter, 1964 Winter | |
| Lee-Lou Demierre | Netherlands | Breaking | 2024 Summer | |
| Serge Demierre | Switzerland | Road cycling | 1976 Summer | |
| Henri Demiéville | Swimming, Water polo | 1920 Summer, 1924 Summer | |
| Svetlana Demina | Soviet Union, Russia | Shooting | 1988 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Ahmet Demir | Turkey | Alpine skiing | 1988 Winter, 1992 Winter | |
| Ersin Demir | Sailing | 1960 Summer | |
| Evin Demir | Athletics | 2020 Summer | |
| Mahmut Demir | Wrestling | 1992 Summer, 1996 Summer | |
| Mazlum Demir | Athletics | 2024 Summer | |
| Neslihan Demir | Volleyball | 2012 Summer | |
| Bektaş Demirel | Judo | 1996 Summer, 2004 Summer | |
| Muhammed Demirel | 2024 Summer | |
| Stoyan Georgiev Demirev | Bulgaria | Road cycling | 1960 Summer | |
| Mirela Demireva | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Ali Eren Demirezen | Turkey | Boxing | 2016 Summer | |
| Evin Demirhan Yavuz | Wrestling | 2020 Summer, 2024 Summer | |
| Göksay Demirhan | Alpine skiing | 1988 Winter | |
| Mümtaz Demirhan | 1976 Winter | |
| Muzaffer Demirhan | 1948 Winter, 1956 Winter, 1960 Winter, 1964 Winter | |
| Yelizaveta Demirova | Russia | Athletics | 2012 Summer | |
| Kemal Demirsüren | Turkey | Wrestling | 1952 Summer | |
| Mehmet Ali Demirtaş | 1972 Summer | |
| Soner Demirtaş | 2016 Summer | |
| Anatoly Demitkov | Soviet Union | Canoe sprint | 1956 Summer | |
| Pavol Demitra | Slovakia | Ice hockey | 2002 Winter, 2006 Winter, 2010 Winter | |
| Oszkár Demján | Hungary | Swimming | 1912 Summer | |
| Aleksej Demjanov | Croatia | Artistic gymnastics | 1996 Summer | |
| Elisabeth Demleitner | West Germany | Luge | 1972 Winter, 1976 Winter, 1980 Winter | |
| Buzz Demling | United States | Football | 1972 Summer | |
| Fritz Demmer | Austria | Ice hockey | 1936 Winter, 1948 Winter | |
| Abdelghani Demmou | Algeria | Football | 2016 Summer | |
| Marcelo Demoliner | Brazil | Tennis | 2020 Summer | |
| Bill Demong | United States | Nordic combined | 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter, 2014 Winter | |
| Isabelle Demongeot | France | Tennis | 1988 Summer, 1992 Summer | |
| Rick DeMont | United States | Swimming | 1972 Summer | |
| Frédéric Demontfaucon | France | Judo | 2000 Summer, 2004 Summer, 2008 Summer | |
| Anne-Marie Demortière | Artistic gymnastics | 1960 Summer | |
| Arnold Demos | United States | Canoe sprint | 1960 Summer | |
| Peter Demos | Australia | Basketball | 1956 Summer | |
| Evripides Demosthenous | Cyprus | Athletics | 1996 Summer, 2000 Summer | |
| Michel Demoulin | Belgium | Shooting | 1988 Summer | |
| Gerhard Dempf | Germany | Judo | 2004 Summer | |
| Sanoa Dempfle-Olin | Canada | Surfing | 2024 Summer | |
| Jeff Demps | United States | Athletics | 2012 Summer | |
| George Dempsey | Australia | Track cycling | 1924 Summer | |
| Joseph Dempsey | United States | Rowing | 1904 Summer | |
| Nick Dempsey | Great Britain | Sailing | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Nick Dempsey [ Wikidata ] | South Africa | Baseball | 2000 Summer | |
| Mary Dempster | Canada | Volleyball | 1976 Summer | |
| Janez Demšar | Yugoslavia | Ski jumping | 1976 Winter | |
| Dominic Demschar | Australia | Alpine skiing | 2014 Winter, 2018 Winter | |
| Solomon Demse | Ethiopia | Taekwondo | 2020 Summer | |
| Lene Demsitz | Denmark | Athletics | 1988 Summer | |
| Olqa Demskaya [ Wikidata ] | Belarus | Rhythmic gymnastics | 1996 Summer | |
| Robert De Mulder | Belgium | Rowing | 1920 Summer | |
| Lashinda Demus | United States | Athletics | 2004 Summer, 2012 Summer | |
| Andrey Demyanenko | Belarus | Rowing | 2008 Summer | |
| Danny Demyanenko | Canada | Volleyball | 2024 Summer | |
| Ivan Demyanenko | Uzbekistan | Swimming | 2008 Summer | |
| Valentin Demyanenko | Azerbaijan | Canoe sprint | 2012 Summer, 2016 Summer | |
| Viktor Demyanenko | Soviet Union | Boxing | 1980 Summer | |
| Oleksiy Demyanyuk | Athletics | 1980 Summer | |
| Dmytro Dem'yanyuk | Ukraine | 2008 Summer, 2012 Summer | |
| Sergey Demyashkevich | Unified Team | Wrestling | 1992 Summer | |
| Hanna Demydova | Ukraine | Athletics | 2012 Summer | |
| Serhiy Demydyuk | 2004 Summer | |
| Michèle Demys | France | 1964 Summer | |
| Ada den Haan | Netherlands | Swimming | 1960 Summer | |
| Kouami Sacha Denanyoh | Togo | Judo | 2000 Summer, 2008 Summer, 2012 Summer | |
| Carlos Denari | Argentina | Rowing | 1976 Summer | |
| Félix Denayer | Belgium | Field hockey | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Merima Denboba | Ethiopia | Athletics | 1996 Summer | |
| Frank Denby [ Wikidata ] | Great Britain | Artistic gymnastics | 1908 Summer | |
| John Denby | Luge | 1980 Winter | |
| Hervé d'Encausse | France | Athletics | 1964 Summer, 1968 Summer, 1972 Summer | |
| Philippe d'Encausse | 1988 Summer, 1992 Summer | |
| Patricia Dench | Australia | Shooting | 1984 Summer | |
| Asen Denchev | Bulgaria | Water polo | 1980 Summer | |
| John Dendahl | United States | Cross country skiing | 1960 Winter | |
| Yelena Dendeberova | Soviet Union, Unified Team | Swimming | 1988 Summer, 1992 Summer | |
| Ludwik Denderys | Poland | Boxing | 1972 Summer | |
| Marquis Dendy | United States | Athletics | 2020 Summer | |
| Gérard Denecheau | France | Shooting | 1972 Summer | |
| Patrick Deneen | United States | Freestyle skiing | 2010 Winter, 2014 Winter | |
| Jules Deneumoulin | Belgium | Canoe sprint | 1936 Summer | |
| Alexandre Dénéréaz | Switzerland | Art competitions | 1928 Summer | |
| Antoine Dénériaz | France | Alpine skiing | 2002 Winter, 2006 Winter | |
| Bertrand Denervaud | Switzerland | Snowboarding | 1998 Winter | |
| Denet | France | Archery | 1900 Summer | |
| Christophe Deneuville | Swimming | 1984 Summer | |
| Dencho Denev | Bulgaria | Shooting | 1960 Summer, 1964 Summer, 1968 Summer, 1972 Summer, 1976 Summer | |
| Deng Chueng-hwai | Chinese Taipei | Road cycling | 1964 Summer, 1968 Summer | |
| Deng Daokun | China | Sailing | 2008 Summer, 2012 Summer | |
| Deng Haiyang | Athletics | 2008 Summer | |
| Deng Jian | Swimming | 2008 Summer | |
| Joseph Deng | Australia | Athletics | 2024 Summer | |
| Deng Jun | China | Water polo | 1984 Summer | |
| Deng Lijuan | Sport climbing | 2024 Summer | |
| Deng Linlin | Artistic gymnastics | 2008 Summer, 2012 Summer | |
| Luol Deng | Great Britain | Basketball | 2012 Summer | |
| Majok Deng | South Sudan | 2024 Summer | |
| Deng Senyue | China | Rhythmic gymnastics | 2012 Summer | |
| Deng Shudi | Artistic gymnastics | 2016 Summer | |
| Si-An Deng | Canada | Badminton | 1996 Summer | |
| Thomas Deng | Australia | Football | 2020 Summer | |
| Deng Wei | China | Weightlifting | 2016 Summer | |
| Deng Weiyun | Shooting | 2020 Summer | |
| Deng Xiaoling | Softball | 2000 Summer, 2004 Summer | |
| Deng Yaping | Table tennis | 1992 Summer, 1996 Summer | |
| Deng Yawen | Cycling BMX freestyle | 2024 Summer | |
| Deng Yu-cheng | Chinese Taipei | Archery | 2020 Summer | |
| Deng Zewen | China | Water polo | 2020 Summer, 2024 Summer | |
| Deng Zhijian | Athletics | 2024 Summer | |
| Deng Zhiwei | Wrestling | 2016 Summer, 2020 Summer, 2024 Summer | |
| Franz Dengg | Germany | Ski jumping | 1952 Winter | |
| Günther Dengg | Austria | Biathlon | 1998 Winter | |
| Serafín Dengra | Argentina | Athletics | 1928 Summer | |
| Eric Denham | Great Britain | Sailing | 1964 Summer | |
| Dorcas Denhartog | United States | Cross country skiing | 1988 Winter, 1992 Winter, 1994 Winter | |
| Deni | Indonesia | Weightlifting | 2012 Summer, 2016 Summer, 2020 Summer | |
| John Deni | United States | Athletics | 1948 Summer, 1952 Summer | |
| Dominique Deniaud | France | Figure skating | 1998 Winter | |
| Hervé Deniel | Wrestling | 1928 Summer | |
| Ernst Denifl | Austria | Cycling mountain bike | 1996 Summer | |
| Stefan Denifl | Road cycling | 2016 Summer | |
| Wilhelm Denifl | Nordic combined | 2014 Winter, 2018 Winter | |
| Mariah Denigan | United States | Marathon swimming | 2024 Summer | |
| Denis [ Wikidata ] | France | Artistic gymnastics | 1900 Summer | |
| Dadi Denis | Haiti | Athletics | 2004 Summer | |
| Eddie Denis | Australia | Water polo | 2000 Summer | |
| Harry Dénis | Netherlands | Football | 1920 Summer, 1924 Summer, 1928 Summer | |
| Marcel Denis | France | Athletics | 1928 Summer | |
| Thomas Denis | Track cycling | 2024 Summer | |
| Victor Denis | Belgium | Rowing | 1924 Summer, 1928 Summer | |
| Nicole Denise | France | Athletics | 1968 Summer | |
| Aleksey Denisenko | Russia | Taekwondo | 2012 Summer, 2016 Summer | |
| Andrei Denisov | Israel | Weightlifting | 1992 Summer | |
| Dmitry Denisov | Russia | Ice hockey | 1994 Winter | |
| Kirill Denisov | Judo | 2012 Summer, 2016 Summer | |
| Viktor Denisov | Soviet Union | Canoe sprint | 1988 Summer | |
| Vitaly Denisov | Russia | Cross country skiing | 2002 Winter | |
| Vladimir Denisov | Soviet Union | Fencing | 1972 Summer, 1976 Summer | |
| Vladimir Denisov | Belarus | Ice hockey | 2010 Winter | |
| Louis Denis-Valvérane | France | Art competitions | 1928 Summer, 1932 Summer | |
| Alexander Denisyev | Russia, Russian Olympic Committee | Luge | 2014 Winter, 2018 Winter, 2022 Winter | |
| Cansel Deniz | Kazakhstan | Taekwondo | 2016 Summer, 2020 Summer | |
| Leslie Deniz | United States | Athletics | 1984 Summer | |
| Serdar Deniz | Turkey | Alpine skiing | 2018 Winter | |
| Sigi Denk | Austria | Road cycling | 1972 Summer | |
| Ulrike Denk | West Germany | Athletics | 1984 Summer | |
| Albena Denkova | Bulgaria | Figure skating | 1998 Winter, 2002 Winter, 2006 Winter | |
| Michael Denley | Great Britain | Athletics | 1952 Summer | |
| Elliott Denman | United States | 1956 Summer | |
| Frederick Denman | Modern pentathlon | 1952 Summer | |
| Helen Denman | Australia | Swimming | 1996 Summer | |
| Robert Denmark | Great Britain | Athletics | 1992 Summer, 2000 Summer | |
| Wayne Denne | South Africa | Field hockey | 2004 Summer | |
| Breda Dennehy-Willis | Ireland | Athletics | 2000 Summer | |
| Fritz Dennerlein | Italy | Swimming, Water polo | 1956 Summer, 1960 Summer, 1964 Summer | |
| Joel Dennerley | Australia | Water polo | 2012 Summer, 2016 Summer, 2020 Summer | |
| Caydee Denney | United States | Figure skating | 2010 Winter | |
| Jim Denney | Ski jumping | 1976 Winter, 1980 Winter | |
| Jim Denney | 2006 Winter | |
| Travis Denney | Australia | Badminton | 2004 Summer | |
| Tom Dennie | Canada | Cross country skiing | 1948 Winter | |
| Elspeth Denning | Australia | Field hockey | 1988 Summer | |
| Ángel Dennis | Cuba | Volleyball | 2000 Summer | |
| Clare Dennis | Australia | Swimming | 1932 Summer | |
| Daniel Dennis | United States | Wrestling | 2016 Summer | |
| David Dennis | Australia | Rowing | 2004 Summer, 2008 Summer | |
| Michael Dennis | New Zealand | Alpine skiing | 1968 Winter | |
| Morgan Dennis | United States | Art competitions | 1936 Summer | |
| Robert Dennis | Liberia | Athletics | 1996 Summer | |
| Rohan Dennis | Australia | Track cycling, Road cycling | 2012 Summer, 2016 Summer, 2020 Summer | |
| Simon Dennis | Great Britain | Rowing | 2000 Summer | |
| Melanie Dennison | Australia | Sailing | 2000 Summer | |
| Alastair Denniston | Great Britain | Field hockey | 1908 Summer | |
| Severt Dennolf | Sweden | Athletics | 1948 Summer | |
| Albert Denny | Great Britain | Track cycling | 1908 Summer | |
| Charles Denny | 1908 Summer | |
| Matthew Denny | Australia | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Harunobu Deno | Japan | Fencing | 1988 Summer | |
| Charles Denroche | Ireland | Athletics | 1948 Summer | |
| Tuur Dens | Belgium | Track cycling | 2024 Summer | |
| Erin Densham | Australia | Triathlon | 2008 Summer, 2012 Summer, 2016 Summer | |
| John Densham | Great Britain | Athletics | 1908 Summer | |
| Semen Denshchikov | Russian Olympic Committee | Freestyle skiing | 2018 Winter | |
| Abigail Dent | Canada | Rowing | 2024 Summer | |
| John Dent | Great Britain | Biathlon, Cross country skiing | 1964 Winter | |
| Martin Dent | Australia | Athletics | 2012 Summer | |
| Taylor Dent | United States | Tennis | 2004 Summer | |
| Dario Dentale | Italy | Rowing | 2004 Summer, 2008 Summer | |
| Piero Dente [ Wikidata ] | Military ski patrol | 1924 Winter | |
| Bill Denton | United States | Artistic gymnastics | 1932 Summer | |
| Peter Denton | Australia | Athletics | 1956 Summer | |
| Hans Denver | Denmark | Shooting | 1912 Summer | |
| Petro Denysenko | Soviet Union | Athletics | 1952 Summer | |
| Peter Denzel | Austria | Sailing | 1972 Summer | |
| Cynthia Denzler | Colombia | Alpine skiing | 2010 Winter | |
| Ferdinand Denzler | Switzerland | Water polo, Art competitions | 1936 Summer, 1948 Summer | |
| Cláudio Deodato | Brazil | Football | 1968 Summer | |
| Ranjeev Deol | Canada | Field hockey | 2008 Summer | |
| Surjeet Singh Deol | Kenya | 1956 Summer, 1960 Summer | |
| Paul Depaepe | Belgium | Track cycling | 1952 Summer | |
| Julius Depaoli | Austria | Water polo | 1952 Summer | |
| Jean Depassio [ Wikidata ] | France | Shooting | 1908 Summer | |
| Evangelos Depastas | Greece | Athletics | 1956 Summer, 1960 Summer | |
| Evan DePaul | Canada | Sailing | 2020 Summer | |
| Matt DePeters | United States | Freestyle skiing | 2010 Winter | |
| Marie-Chantal Depetris-Demaille | France | Fencing | 1964 Summer, 1968 Summer, 1972 Summer | |
| Ludovic Depickère | Swimming | 1988 Summer, 1992 Summer, 1996 Summer | |
| Louis Depière | Belgium | Sailing | 1920 Summer | |
| Mary DePiero | Canada | Diving | 1992 Summer | |
| Joseph DePietro | United States | Weightlifting | 1948 Summer | |
| Franck Dépine | France | Track cycling | 1984 Summer | |
| Leonardo Deplano | Italy | Swimming | 2024 Summer | |
| Marion Deplanque | France | Sailing | 2004 Summer | |
| Marcel Depont | Boxing | 1924 Summer | |
| Laurent Depouilly | Figure skating | 1984 Winter | |
| Ulrike Deppe | West Germany | Canoe slalom | 1972 Summer | |
| Auguste Déprey [ Wikidata ] | France | Fencing | 1900 Summer | |
| Bruno Déprez | Shooting | 1988 Summer | |
| Hilaire Deprez | Belgium | Canoe sprint | 1948 Summer, 1952 Summer | |
| Jacques Déprez | France | Athletics | 1960 Summer | |
| Josue Deprez | Haiti | Judo | 2016 Summer | |
| Léonce Deprez | France | Football | 1952 Summer | |
| Maurice Deprez | Belgium | Ice hockey | 1920 Summer | |
| Aleš Depta | Czechoslovakia | Fencing | 1992 Summer | |
| Charlie Depthios | Indonesia | Weightlifting | 1968 Summer, 1972 Summer | |
| Enosh Depthios | 1992 Summer | |
| Viktor Deputatov | Soviet Union, Unified Team | Field hockey | 1980 Summer, 1988 Summer, 1992 Summer | |
| Mara DePuy | United States | Equestrian eventing | 1996 Summer | |
| Julien Depuychaffray | France | Wrestling | 1932 Summer | |
| Ervin Dér | Hungary | Track cycling | 1980 Summer | |
| Seif El-Deraa | Egypt | Handball | 2020 Summer, 2024 Summer | |
| Yehia El-Deraa | 2016 Summer, 2020 Summer, 2024 Summer | |
| Hamoon Derafshipour | Refugee Olympic Team | Karate | 2020 Summer | |
| Abdel Aziz Derbal | Tunisia | Volleyball | 1972 Summer | |
| John Derbyshire | Great Britain | Swimming | 1908 Summer, 1912 Summer | |
| Reka Der-Cipriani | Italy | Fencing | 1972 Summer | |
| Herbert Dercksen | Netherlands | Sailing | 1996 Summer, 2004 Summer | |
| Annemiek Derckx | Canoe sprint | 1984 Summer, 1988 Summer | |
| Harry Derckx | Field hockey | 1948 Summer, 1952 Summer | |
| Franz Dereani | Austria | Fencing | 1912 Summer | |
| Mireille Derebona | Central African Republic | Athletics | 2008 Summer | |
| Humaid Al-Derei | United Arab Emirates | Judo | 2012 Summer | |
| Roza Dereje | Ethiopia | Athletics | 2020 Summer | |
| Ana Đerek | Croatia | Artistic gymnastics | 2016 Summer, 2020 Summer | |
| Emel Dereli | Turkey | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Meli Derenalagi | Fiji | Rugby sevens | 2020 Summer | |
| René Dérency | France | Basketball | 1948 Summer | |
| Weronika Deresz | Poland | Rowing | 2016 Summer | |
| Sergiy Derevyanchenko | Ukraine | Boxing | 2008 Summer | |
| Ivan Derevsky | Unified Team | Shooting | 1992 Summer | |
| Aleksandr Derevyagin | Russia | Athletics | 2008 Summer | |
| Andrzej Dereziński | Poland | Alpine skiing | 1964 Winter | |
| Roman Dereziński | 1976 Winter | |
| Yelena Dergachyova | Russia, Russian Olympic Committee | Ice hockey | 2014 Winter, 2018 Winter, 2022 Winter | |
| Stane Derganc | Yugoslavia | Artistic gymnastics | 1924 Summer, 1928 Summer | |
| Alexey Dergunov | Kazakhstan | Canoe sprint | 2008 Summer, 2012 Summer, 2016 Summer | |
| Zoe Derham | Great Britain | Athletics | 2008 Summer | |
| Radoje Đerić | Serbia | Rowing | 2012 Summer | |
| Gaspard Deridder | Belgium | Boxing | 1936 Summer | |
| Emily deRiel | United States | Modern pentathlon | 2000 Summer | |
| Oshin Derieuw | Belgium | Boxing | 2024 Summer | |
| Inna Deriglazova | Russia, Russian Olympic Committee | Fencing | 2012 Summer, 2016 Summer, 2020 Summer | |
| Senna Deriks | Belgium | Artistic gymnastics | 2016 Summer | |
| Geert-Jan Derikx | Netherlands | Field hockey | 2004 Summer, 2008 Summer | |
| Rob Derikx | 2004 Summer, 2008 Summer | |
| Ivana Đerisilo | Serbia | Volleyball | 2008 Summer, 2012 Summer | |
| Pierre Derivery | France | Canoe sprint | 1952 Summer, 1960 Summer | |
| Dariya Derkach | Italy | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Vyacheslav Derkach | Ukraine | Biathlon | 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter | |
| Pierre Derkinderen | Belgium | Wrestling | 1920 Summer | |
| Filip Derkoski | North Macedonia | Swimming | 2020 Summer | |
| Geert-Jan Derksen | Netherlands | Rowing | 2000 Summer, 2004 Summer | |
| Maren Derlien | Germany | 2004 Summer, 2008 Summer | |
| Bruce Derlin | New Zealand | Tennis | 1988 Summer | |
| João Derly | Brazil | Judo | 2008 Summer | |
| Petko Dermendzhiev | Bulgaria | Wrestling | 1964 Summer | |
| Vanya Dermendzhieva | Basketball | 1980 Summer, 1988 Summer | |
| Dorothy Dermody | Ireland | Fencing | 1948 Summer | |
| Giuseppe Dermon | Switzerland | Cross country skiing | 1972 Winter | |
| Russell Dermond | United States | Canoe sprint | 1956 Summer, 1960 Summer | |
| Kim Dermott | New Zealand | Softball | 2000 Summer | |
| Georg Dern | Germany | Shooting | 1936 Summer | |
| Philippe Deroche | France | Athletics | 1976 Summer, 1980 Summer | |
| Darren Derochie | Canada | Cross country skiing | 1992 Winter | |
| Joseph Derochie | Canoe sprint | 1960 Summer | |
| Audrey Deroin | France | Handball | 2012 Summer | |
| Simone Deromedis | Italy | Freestyle skiing | 2022 Winter | |
| Joseph Derou | France | Artistic gymnastics | 1908 Summer | |
| Abderrahmane Derouaz | Algeria | Football | 1980 Summer | |
| Deroubaix [ Wikidata ] | France | Artistic gymnastics | 1900 Summer | |
| Edgard Derouet | Art competitions | 1948 Summer | |
| Marcelo Derouville | Cuba | Water polo | 1992 Summer | |
| DeMar DeRozan | United States | Basketball | 2016 Summer | |
| Co Derr | Netherlands | Art competitions | 1948 Summer | |
| Kimberly Derrick | United States | Short track speed skating | 2006 Winter, 2010 Winter | |
| Noel Derrick | Australia | Ice hockey | 1960 Winter | |
| André Derrien | France | Sailing | 1928 Summer | |
| Julie Derron | Switzerland | Triathlon | 2024 Summer | |
| Léon Auguste Derruau | France | Art competitions | 1924 Summer | |
| Lester Ders | Cuba | Modern pentathlon | 2020 Summer | |
| Hans Dersch | United States | Swimming | 1992 Summer | |
| Eli Dershwitz | Fencing | 2016 Summer, 2020 Summer, 2024 Summer | |
| Ana Derșidan-Ene-Pascu | Romania | 1964 Summer, 1968 Summer, 1972 Summer, 1976 Summer | |
| Dimitri Deruelle | France | Sailing | 1992 Summer, 2000 Summer | |
| Kateryna Derun | Ukraine | Athletics | 2016 Summer | |
| Isabel Derungs | Switzerland | Snowboarding | 2014 Winter, 2018 Winter | |
| Thomas Déruns | Ice hockey | 2010 Winter | |
| Georgios Dervisis | Greece | Water polo | 2016 Summer, 2020 Summer | |
| Nina Derwael | Belgium | Artistic gymnastics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Shirley Dery | United States | Canoe sprint | 1984 Summer, 1988 Summer | |
| Deryck [ Wikidata ] | Belgium | Art competitions | 1932 Summer | |
| André Deryckere | Sailing | 1952 Summer | |
| Ivan Deriuhin | Soviet Union | Modern pentathlon | 1956 Summer | |
| Nikolay Deryugin | Basketball | 1980 Summer | |
| Natalya Deryugina | Unified Team | Handball | 1992 Summer | |
| Andriy Deryzemlya | Ukraine | Biathlon | 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter, 2014 Winter | |
| Eduard Derzsei | Romania | Volleyball | 1964 Summer | |
| Anuj Desai | Kenya | Shooting | 1996 Summer | |
| Harmeet Desai | India | Table tennis | 2024 Summer | |
| Betlhem Desalegn | United Arab Emirates | Athletics | 2012 Summer | |
| Fausto Desalu | Italy | 2016 Summer, 2020 Summer, 2024 Summer | |
| Dragan Desančić | Yugoslavia | Canoe sprint | 1964 Summer | |
| Noël Desaubliaux | France | Sailing | 1960 Summer | |
| Philippe Desavoye | Boxing | 1988 Summer | |
| Maurice Desaymonnet | Basketball | 1948 Summer | |
| Ann-Renée Desbiens | Canada | Ice hockey | 2018 Winter, 2022 Winter | |
| François Désbonnet | France | Water polo | 1948 Summer | |
| Rémi Desbonnet | Handball | 2024 Summer | |
| Doina Descalui [ Wikidata ] | Moldova | Luge | 2022 Winter | |
| David Descalzo | Peru | Basketball | 1948 Summer | |
| Hugo Descat | France | Handball | 2020 Summer, 2024 Summer | |
| Jacques Descatoire | Bobsleigh | 1948 Winter | |
| August Desch | United States | Athletics | 1920 Summer | |
| Bernard Deschamps | France | Ice hockey | 1968 Winter | |
| Pierre Deschamps | Golf | 1900 Summer | |
| Simon Deschamps | Canada | Water polo | 1984 Summer | |
| Richard DesChatelets | Wrestling | 1976 Summer | |
| Bruno Deschênes | Fencing | 1988 Summer | |
| Jacques Deschouwer | France | Diving | 1972 Summer | |
| Gregor Deschwanden | Switzerland | Ski jumping | 2014 Winter, 2018 Winter, 2022 Winter | |
| Jean-Louis Descloux | Athletics | 1964 Summer | |
| Joé Descomps-Cormier | France | Art competitions | 1924 Summer | |
| Elena Desderi | Italy | Cross country skiing | 1988 Winter | |
| Michal Desenský | Czech Republic | Athletics | 2020 Summer | |
| Solen Désert-Mariller | France | 2008 Summer | |
| Ana María Desevici | Uruguay | 1976 Summer | |
| Jean-Simon Desgagnés | Canada | 2024 Summer | |
| Mattéo Desgouillons | France | Field hockey | 2024 Summer | |
| David Desharnais | Canada | Ice hockey | 2022 Winter | |
| Svetlana Deshevykh | Kazakhstan | Cross country skiing | 1998 Winter, 2002 Winter | |
| Chinadorai Deshmutu | India | Field hockey | 1952 Summer | |
| Deepali Deshpande | Shooting | 2004 Summer | |
| Stefano Desideri | Italy | Football | 1988 Summer | |
| Mario Desiderio | Argentina | 1960 Summer | |
| Ray DeSilva | Bermuda | Sailing | 1992 Summer | |
| Dhinidhi Desinghu | India | Swimming | 2024 Summer | |
| Lelisa Desisa | Ethiopia | Athletics | 2020 Summer | |
| Éric Desjardins | Canada | Ice hockey | 1998 Winter | |
| Pete Desjardins | United States | Diving | 1924 Summer, 1928 Summer | |
| Pierre Desjardins | Canada | Sailing | 1960 Summer | |
| Robert Desjarlais | Fencing | 1948 Summer | |
| Iraklis Deskoulidis | Greece | Wrestling | 1984 Summer, 1988 Summer, 1992 Summer | |
| Mario Deslauriers | Canada | Equestrian jumping | 1984 Summer, 1988 Summer, 2020 Summer, 2024 Summer | |
| Yvan Deslavière | France | Rowing | 2000 Summer | |
| Mikkel Desler | Denmark | Football | 2016 Summer | |
| Marie-Claude Deslières | Canada | Water polo | 2000 Summer | |
| Léon Deslinières | France | Rowing | 1900 Summer | |
| Bernard Desmarais | Mauritius | Swimming | 1992 Summer, 1996 Summer | |
| Camille Desmarcheliers | France | Artistic gymnastics | 1908 Summer | |
| Charles Desmarcheliers | 1908 Summer | |
| Nathalie Desmares | Snowboarding | 1998 Winter, 2010 Winter | |
| Étienne Desmarteau | Canada | Athletics | 1904 Summer | |
| Jean Desmasures | France | Field hockey | 1952 Summer, 1960 Summer | |
| Micheline Desmazières | Alpine skiing | 1948 Winter | |
| Dominique d'Esmé | Equestrian dressage | 1976 Summer, 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer | |
| Dolf Desmedt | Belgium | Equestrian eventing | 2004 Summer | |
| Fernand Desmedt [ Wikidata ] | Fencing | 1900 Summer | |
| Jef Desmedt | Equestrian eventing | 1992 Summer | |
| Hanne Desmet | Short track speed skating | 2022 Winter | |
| Léopold De Smet | Artistic gymnastics | 1960 Summer | |
| Louis Desmet | Athletics | 1952 Summer | |
| Pieter Desmet | 2008 Summer | |
| Stijn Desmet | Short track speed skating | 2022 Winter | |
| Robert Desmettre | France | Water polo | 1924 Summer | |
| Gilbert Desmit | Belgium | Swimming | 1956 Summer, 1960 Summer | |
| Elsa Desmond | Ireland | Luge | 2022 Winter | |
| Lucy Desmond | Great Britain | Artistic gymnastics | 1928 Summer | |
| Richard Desmond | United States | Ice hockey | 1952 Winter | |
| Daniel Desnoyers | Canada | Archery | 1988 Summer | |
| Raymond Desonay | Belgium | Diving | 1920 Summer | |
| Maxime Desonches [ Wikidata ] | France | Sailing | 1900 Summer | |
| Pierre Désormeaux | Canada | Handball | 1976 Summer | |
| Claude Desouches | France | Sailing | 1936 Summer, 1948 Summer | |
| Nagwa El Desouki | Switzerland | Canoe slalom | 1996 Summer, 2004 Summer | |
| Nicki DeSousa | Bermuda | Equestrian eventing | 1992 Summer | |
| Alfredo Despaigne | Cuba | Baseball | 2008 Summer | |
| Caridad Despaigne | Basketball | 1980 Summer | |
| Joël Despaigne | Volleyball | 1992 Summer, 1996 Summer | |
| Oreidis Despaigne | Judo | 2004 Summer, 2008 Summer, 2012 Summer | |
| Robelis Despaigne | Taekwondo | 2012 Summer | |
| Yordanis Despaigne | Boxing | 2004 Summer | |
| Yosvany Despaigne | Judo | 1996 Summer, 2000 Summer, 2004 Summer | |
| Michelle Despain | Argentina | Luge | 2006 Winter | |
| Jacob Despard | Australia | Athletics | 2024 Summer | |
| Maria Despas | Freestyle skiing | 1998 Winter, 2002 Winter | |
| Alexandre Despatie | Canada | Diving | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Jean Despeaux | France | Boxing | 1936 Summer | |
| Louis Alexandre Despeyroux [ Wikidata ] | Art competitions | 1924 Summer | |
| Éric Despezelle | Judo | 2000 Summer | |
| Jérémy Desplanches | Switzerland | Swimming | 2016 Summer, 2020 Summer, 2024 Summer | |
| Josip Despot | Yugoslavia | Rowing | 1972 Summer | |
| Stanko Despot | 1952 Summer | |
| Jelena Despotović | Montenegro | Handball | 2020 Summer | |
| Vesna Despotović | Yugoslavia | Basketball | 1980 Summer | |
| Damien Desprat | Monaco | Sailing | 2012 Summer | |
| Julien Desprès | France | Rowing | 2008 Summer | |
| Louise Anne Marie Després | Croquet | 1900 Summer | |
| Serge Despres | Canada | Bobsleigh | 2006 Winter | |
| Marcel Desprets | France | Fencing | 1948 Summer | |
| Linouse Desravine | Haiti | Judo | 2012 Summer | |
| René Desroches | France | Athletics | 1936 Summer | |
| Frederick Desrosiers | Canada | Boxing | 1964 Summer | |
| Olivier Desrosiers [ Wikidata ] | Fencing | 2024 Summer | |
| Fernand Desrousseaux | France | Football | 1908 Summer | |
| Patrick Desruelles | Belgium | Athletics | 1980 Summer | |
| Ronald Desruelles | 1976 Summer, 1984 Summer | |
| Wolfgang Dessecker | Germany | 1936 Summer | |
| Cyril Dessel | France | Road cycling | 2008 Summer | |
| Jacques Dessemme | Basketball | 1952 Summer | |
| Daniele Dessena | Italy | Football | 2008 Summer | |
| Oscar Dessomville | Belgium | Rowing | 1900 Summer, 1908 Summer | |
| Ibrahim El-Dessouki | Egypt | Weightlifting | 1948 Summer | |
| Salah Dessouki | Fencing | 1948 Summer, 1952 Summer | |
| Nicolas Dessum | France | Ski jumping | 1994 Winter, 1998 Winter, 2002 Winter | |
| Martine Dessureault | Canada | Swimming | 1996 Summer | |
| Michel Dessureault | Fencing | 1976 Summer, 1984 Summer, 1988 Summer | |
| Richard Dessureault-Dober | Canoe sprint | 2004 Summer, 2008 Summer | |
| Elisabetta Dessy | Italy | Swimming | 1976 Summer | |
| Bereket Desta | Ethiopia | Athletics | 2012 Summer | |
| Netsanet Desta | 2020 Summer | |
| Giliante D'Este | Italy | Rowing | 1928 Summer, 1932 Summer, 1936 Summer | |
| Ana Destéfano | Argentina | Artistic gymnastics | 1996 Summer | |
| Simon Desthieux | France | Biathlon | 2014 Winter, 2018 Winter, 2022 Winter | |
| Joseph Destimo | Ghana | Boxing | 1968 Summer, 1972 Summer | |
| Destin Destine | Haiti | Shooting | 1924 Summer | |
| Jean-Marc Destine | Athletics | 1996 Summer | |
| Bernard Destraz | Switzerland | Rowing | 1980 Summer | |
| Agustín Destribats | Argentina | Wrestling | 2020 Summer | |
| Sergei Desukevich | Belarus | Sailing | 2008 Summer | |
| Claude Desusclade | France | Swimming | 1936 Summer | |
| André Desvages | Road cycling | 1964 Summer | |
| Yashaswini Singh Deswal | India | Shooting | 2020 Summer | |
| Hilda Deswarte | Belgium | Fencing | 1928 Summer | |
| Aleksey Desyatchikov | Soviet Union | Athletics | 1960 Summer | |
| Olga Desyatskaya | Russia | Shooting | 2008 Summer | |
| Thierry Détant | Netherlands | Track cycling | 1988 Summer | |
| Itte Detenamo | Nauru | Weightlifting | 2004 Summer, 2008 Summer, 2012 Summer | |
| Quincy Detenamo | 1996 Summer | |
| Olga Detenyuk | Russia | Swimming | 2008 Summer | |
| Sylvia Dethier | Belgium | Athletics | 1988 Summer, 1992 Summer | |
| Claus Dethloff | Germany | 1992 Summer, 1996 Summer | |
| Fric Detiček | Yugoslavia | Alpine skiing | 1964 Winter | |
| Emeline Detilleux | Belgium | Cycling mountain bike | 2024 Summer | |
| Stanislav Detkov | Russia | Snowboarding | 2010 Winter, 2014 Winter | |
| Robert Scott Detlof | Brazil | Alpine skiing | 1992 Winter | |
| Tania Detomas | Italy | Snowboarding | 2006 Winter | |
| Romain Détraz [ Wikidata ] | Switzerland | Freestyle skiing | 2022 Winter | |
| Diána Detre | Hungary | Sailing | 2008 Summer, 2012 Summer | |
| Szabolcs Detre | 1980 Summer | |
| Zsolt Detre | 1980 Summer | |
| Georges Detreille | France | Road cycling | 1920 Summer | |
| Thomas Detry | Belgium | Golf | 2020 Summer, 2024 Summer | |
| Saipin Detsaeng | Thailand | Weightlifting | 2000 Summer | |
| Gabriele Detti | Italy | Swimming | 2012 Summer, 2016 Summer, 2020 Summer | |
| Andrea Dettling | Switzerland | Alpine skiing | 2010 Winter | |
| Marc Detton | France | Rowing | 1924 Summer | |
| Robert Detweiler | United States | 1952 Summer | |
| Artyom Detyshev | Russia | Speed skating | 2006 Winter | |
| Santiago Deu | Andorra | Swimming | 2000 Summer | |
| Paula Deubel | United States | Athletics | 1956 Summer | |
| Graham Deuble | Australia | Diving | 1960 Summer | |
| Christian Deubler [ Wikidata ] | United States | Artistic gymnastics | 1904 Summer | |
| Yulia Deulina | Russia | Ice hockey | 2010 Winter | |
| Marc Deuquet | France | Equestrian jumping | 1972 Summer | |
| Marie-Christine Deurbroeck | Belgium | Athletics | 1984 Summer | |
| Albert Deuring | Austria | Shooting | 1988 Summer | |
| Dorothee Deuring | 1988 Summer | |
| Bart Deurloo | Netherlands | Artistic gymnastics | 2016 Summer, 2020 Summer | |
| Eduardo de Deus | Brazil | Athletics | 2020 Summer, 2024 Summer | |
| Leonardo de Deus | Swimming | 2012 Summer, 2016 Summer, 2020 Summer | |
| Daniel Deusser | Germany | Equestrian jumping | 2016 Summer, 2020 Summer | |
| Paulien van Deutekom | Netherlands | Speed skating | 2006 Winter | |
| Eugen Deutsch | Germany | Weightlifting | 1936 Summer | |
| Iosif Deutsch | Romania | Water polo | 1956 Summer | |
| Tamás Deutsch | Hungary | Swimming | 1988 Summer, 1992 Summer, 1996 Summer | |
| Josef Deutschmann | Austria | Cross country skiing | 1948 Winter | |
| Christian Deuza | France | Artistic gymnastics | 1968 Summer, 1972 Summer | |
| Gul Dev | India | Alpine skiing | 1988 Winter | |
| Nishant Dev | Boxing | 2024 Summer | |
| José Devaca | Paraguay | Football | 2004 Summer | |
| Vellupillai Devadas | Singapore | Field hockey | 1956 Summer | |
| Isabelle Devaluez | France | Athletics | 1996 Summer | |
| István Déván | Hungary | Athletics, Cross country skiing, Nordic combined | 1912 Summer, 1924 Winter | |
| John Devaney | Canada | Ice hockey | 1980 Winter | |
| Michael Devaney | United States | Athletics | 1920 Summer, 1924 Summer | |
| Charles Devantay [ Wikidata ] | Switzerland | 2024 Summer | |
| Venkatesan Devarajan | India | Boxing | 1992 Summer | |
| Elsa Devassoigne | France | Athletics | 1992 Summer, 1996 Summer | |
| André Devaux | 1920 Summer | |
| Pierre Devaux | Belgium | 1920 Summer | |
| Stephanie Devaux-Lovell | Saint Lucia | Sailing | 2016 Summer, 2020 Summer | |
| Nikia Deveaux | Bahamas | Swimming | 2004 Summer | |
| Mike Devecka | United States | Nordic combined | 1972 Winter, 1976 Winter, 1980 Winter | |
| Charles Devendeville | France | Swimming, Water polo | 1900 Summer | |
| Salam Devendran | Malaya | Field hockey | 1956 Summer | |
| Mike Deveney | Great Britain | Boxing | 1988 Summer | |
| Juan van Deventer | South Africa | Athletics | 2008 Summer | |
| Patrick Dever | Great Britain | 2024 Summer | |
| Robert Devereux | United States | Rugby | 1924 Summer | |
| Raymond Devergnies | Belgium | Boxing | 1924 Summer | |
| Stjepan Deverić | Yugoslavia | Football | 1984 Summer | |
| Gail Devers | United States | Athletics | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Hrysopiyi Devetzi | Greece | 2004 Summer, 2008 Summer | |
| Phil Devey | Canada | Baseball | 2004 Summer | |
| C. A. Bhavani Devi | India | Fencing | 2020 Summer | |
| Kunjarani Devi | Weightlifting | 2004 Summer | |
| Lourembam Brojeshori Devi | Judo | 2000 Summer | |
| Sharmila Devi | Field hockey | 2020 Summer | |
| Tombi Devi | Judo | 2008 Summer | |
| Borislav Dević | Serbia and Montenegro | Athletics | 1996 Summer | |
| Coline Devillard | France | Artistic gymnastics | 2024 Summer | |
| Gérard Devillard | Sailing | 1964 Summer | |
| Cristian Deville | Italy | Alpine skiing | 2010 Winter | |
| Michel Deville | Belgium | Field hockey | 1968 Summer, 1972 Summer | |
| Yves Devillers | France | Sailing | 1972 Summer | |
| Louis Devillié | Rowing | 1928 Summer, 1936 Summer | |
| Harold Devine | United States | Boxing | 1928 Summer | |
| Jennifer Devine | Rowing | 1996 Summer, 2004 Summer | |
| John Devine | Great Britain | Football | 1960 Summer | |
| Patricia Devine | Athletics | 1952 Summer | |
| Peter Devine | United States | Fencing | 1996 Summer | |
| Alexandre Devissi | Monaco | Rowing | 1928 Summer | |
| John Devitt | Australia | Swimming | 1956 Summer, 1960 Summer | |
| Alex Devlin | Canada | Basketball | 1976 Summer | |
| Art Devlin | United States | Ski jumping | 1952 Winter, 1956 Winter | |
| Cameron Devlin | Australia | Football | 2020 Summer | |
| Carla Devlin | Great Britain | Rowing | 2008 Summer | |
| Frank Devlin | United States | Athletics | 1904 Summer | |
| Jonno Devlin | Great Britain, Ireland | Rowing | 2004 Summer, 2008 Summer | |
| Wayne Devlin | Australia | Boxing | 1972 Summer, 1976 Summer | |
| Asnoldo Devonish | Venezuela | Athletics | 1952 Summer | |
| Marlon Devonish | Great Britain | 2000 Summer, 2004 Summer, 2008 Summer | |
| Nicole Devonish | Canada | 1996 Summer | |
| Gérard Devos | Belgium | Football | 1928 Summer | |
| Pieter Devos | Equestrian jumping | 2020 Summer | |
| Louis Devoti | France | Basketball | 1952 Summer | |
| Luca Devoti | Italy | Sailing | 1996 Summer, 2000 Summer | |
| Jonas Devouassoux | France | Freestyle skiing | 2014 Winter | |
| Godefroid Devreese | Belgium | Art competitions | 1936 Summer | |
| Kristi DeVries | Netherlands | Softball | 2008 Summer | |
| Patricia Devries | Great Britain | Figure skating | 1952 Winter | |
| Dieudonné Devrindt | Belgium | Athletics | 1936 Summer | |
| Somdev Devvarman | India | Tennis | 2012 Summer | |
| Pyotr Devyatkin | Kazakhstan | Ice hockey | 1998 Winter | |
| Tatyana Devyatova | Soviet Union | Swimming | 1964 Summer, 1968 Summer | |
| Maksim Devyatovskiy | Russia | Artistic gymnastics | 2004 Summer, 2008 Summer | |
| Vadim Devyatovskiy | Belarus | Athletics | 2004 Summer, 2008 Summer | |
| Mikhail Devyatyarov | Soviet Union | Cross country skiing | 1988 Winter | |
| Mikhail Devyatyarov Jr. | Russia | 2010 Winter | |
| Charles Dewachtere | Belgium | Athletics | 1952 Summer | |
| Jules Dewaquez | France | Football | 1920 Summer, 1924 Summer, 1928 Summer | |
| Andrea Dewar | Canada | Water polo | 2004 Summer | |
| Phyllis Dewar | Swimming | 1936 Summer | |
| Marilyn Dewarder | Guyana | Athletics | 1988 Summer | |
| Roger Dewasch | France | Water polo | 1948 Summer | |
| Alphonse De Wette | Belgium | Rowing | 1924 Summer, 1928 Summer | |
| Rebori, Wentworth & Dewey [ Wikidata ] | United States | Art competitions | 1928 Summer | |
| Steven Dewick | Australia | Swimming | 1996 Summer | |
| Pierre Dewin | Belgium | Water polo | 1920 Summer, 1924 Summer | |
| Simon Dewinter | Boxing | 1936 Summer | |
| Willie deWit | Canada | 1984 Summer | |
| Ed DeWitt | United States | Wrestling | 1960 Summer | |
| John DeWitt | Athletics | 1904 Summer | |
| Lincoln DeWitt | Skeleton | 2002 Winter | |
| Theresa DeWitt | Shooting | 1996 Summer | |
| Karl DeWolf | France | Ice hockey | 1998 Winter, 2002 Winter | |
| Douglas Dexter | Great Britain | Fencing | 1936 Summer | |
| Glen Dexter | Canada | Sailing | 1976 Summer | |
| Neil Dexter | Great Britain | Swimming | 1972 Summer | |
| Jasem Al-Deyab | Kuwait | Handball | 1980 Summer | |
| Andrey Deyev | Russia | Fencing | 2000 Summer | |
| Pavel Deyev | Soviet Union | Equestrian eventing | 1964 Summer, 1968 Summer | |
| Clement Deykin | Great Britain | Rugby | 1900 Summer | |
| Kazimierz Deyna | Poland | Football | 1972 Summer, 1976 Summer | |
| Wim De Deyne | Belgium | Short track speed skating | 2002 Winter, 2006 Winter | |
| Peter Deyo | United States | Canoe sprint | 1976 Summer | |
| Alfredo Deza | Peru | Athletics | 1968 Summer | |
| Alfredo Deza | 2004 Summer | |
| Tibor Dezamits | Hungary | Boxing | 1980 Summer | |
| Thancule Dezart | Haiti | Athletics | 1976 Summer | |
| Aldo Dezi | Italy | Canoe sprint | 1960 Summer | |
| Min Dezillie | Belgium | Sailing | 1992 Summer, 2000 Summer, 2004 Summer | |
| Mojca Dežman | Yugoslavia | Alpine skiing | 1988 Winter | |
| Rogério Dezorzi | Brazil | Boxing | 1992 Summer, 1996 Summer | |
| Lili Dezou | France | Rugby sevens | 2024 Summer | |
| Francesco Dezulian | Italy | Cross country skiing | 1932 Winter | |
| Diane Dezura | Canada | Curling | 2002 Winter | |
| Vladimeri Dgebuadze | Georgia | Judo | 1996 Summer | |
| Raoul Dgvareli | Tajikistan | Wrestling | 1996 Summer | |
| Wouter D'Haene | Belgium | Canoe sprint | 2004 Summer | |
| Jean-Marie D'Haese | 1972 Summer | |
| Nawaf Al-Dhafairi | Kuwait | Football | 1992 Summer | |
| Ikram Dhahri | Tunisia | Taekwondo | 2024 Summer | |
| Saida Dhahri | Judo | 2000 Summer, 2004 Summer | |
| Juliette Dhalluin [ Wikidata ] | France | Water polo | 2024 Summer | |
| Rajinder Kumar Dhanger | India | Judo | 1992 Summer | |
| Sohan Singh Dhanoa | Athletics | 1952 Summer, 1956 Summer | |
| Hamadi Dhaou | Tunisia | Football | 1960 Summer | |
| Selma Dhaouadi [ Wikidata ] | Rowing | 2024 Summer | |
| Hedi Dhaoui [ Wikidata ] | Athletics | 1960 Summer | |
| Édmond Dharancy [ Wikidata ] | France | Artistic gymnastics | 1908 Summer | |
| Samararatne Dharmasena | Sri Lanka | Athletics | 1980 Summer | |
| Damayanthi Dharsha | 1992 Summer, 2000 Summer, 2004 Summer | |
| Louis d'Havrincourt [ Wikidata ] | France | Equestrian jumping, Equestrian dressage | 1900 Summer | |
| Mehar Chand Dhawan | India | Athletics | 1932 Summer | |
| Didier Dhennin | France | Equestrian eventing | 2008 Summer | |
| Daniel Dhers | Venezuela | Cycling BMX freestyle | 2020 Summer | |
| Amar Dhesi | Canada | Wrestling | 2020 Summer, 2024 Summer | |
| Louis D'Heur | Belgium | Shooting | 1924 Summer | |
| Tarak Dhiab | Tunisia | Football | 1988 Summer | |
| Yosra Dhieb | Weightlifting | 2016 Summer | |
| Abha Dhillan | India | Shooting | 1992 Summer | |
| Baljit Singh Dhillon | Field hockey | 1996 Summer, 2000 Summer, 2004 Summer | |
| Raiza Dhillon | Shooting | 2024 Summer | |
| Shreya Dhital | Nepal | Swimming | 2012 Summer | |
| El-Sayed El-Dhizui | Egypt | Football | 1948 Summer, 1952 Summer | |
| Jeroen D'hoedt | Belgium | Athletics | 2016 Summer | |
| Adrien D'Hondt | Rowing | 1920 Summer | |
| Brooke D'Hondt | Canada | Snowboarding | 2022 Winter | |
| Walter D'Hondt | Rowing | 1956 Summer, 1960 Summer | |
| Galuëlle Dhont | France | Artistic gymnastics | 1928 Summer | |
| Émile D'Hooge | Belgium | Water polo | 1948 Summer | |
| Aisling D'Hooghe | Field hockey | 2012 Summer, 2024 Summer | |
| Jolien D'Hoore | Track cycling | 2012 Summer, 2016 Summer, 2020 Summer | |
| Vikash Dhorasoo | France | Football | 1996 Summer | |
| Felix Dhünen | Germany | Art competitions | 1936 Summer | |
| Ankita Dhyani | India | Athletics | 2024 Summer | |