| Athlete | Born | NOC | Discipline (Sport) | Event | Dates | Placement | Age |
|---|
| Dimitrios Loundras | 6 September 1885 | GRE | Artistic Gymnastics (Gymnastics) | Parallel Bars, Teams, Men | 9 April 1896 | 3 | 10 years 216 days |
| Cecilia Colledge | 28 November 1920 | GBR | Figure Skating (Skating) | Singles, Women | 9 – 10 February 1932 | 8 | 11 years 73 days |
| Megan Taylor | 25 October 1920 | GBR | Figure Skating (Skating) | Singles, Women | 9 – 10 February 1932 | 7 | 11 years 107 days |
| Beatrice Huștiu | 2 September 1956 | ROU | Figure Skating (Skating) | Singles, Women | 8 – 10 February 1968 | 29 | 11 years 159 days |
| Carlos Front | 20 November 1980 | ESP | Rowing | Eights, Men | 28 July – 2 August 1992 | 14 | 11 years 251 days |
| Liu Luyang | 10 June 1976 | CHN | Figure Skating (Skating) | Ice Dancing, Mixed | 21 – 23 February 1988 | 19 | 11 years 256 days |
| Sonja Henie | 8 April 1912 | NOR | Figure Skating (Skating) | Singles, Women | 28 – 29 January 1924 | 8 | 11 years 295 days |
| Luigina Giavotti | 12 October 1916 | ITA | Artistic Gymnastics (Gymnastics) | Team All-Around, Women | 8 – 9 August 1928 | 2 | 11 years 301 days |
| Arati Saha | 24 September 1940 | IND | Swimming (Aquatics) | 200 metres Breaststroke, Women | 26 – 29 July 1952 | 33 | 11 years 306 days |
| Marcelle Matthews | 19 April 1948 | RSA | Figure Skating (Skating) | Pairs, Mixed | 19 February 1960 | 13 | 11 years 306 days |
| Liana Vicens | 25 November 1956 | PUR | Swimming (Aquatics) | 4 × 100 metres Medley Relay, Women | 17 October 1968 | 15 | 11 years 327 days |
| Liana Vicens | 25 November 1956 | PUR | Swimming (Aquatics) | 100 metres Breaststroke, Women | 18 – 19 October 1968 | 29 | 11 years 328 days |
| Liana Vicens | 25 November 1956 | PUR | Swimming (Aquatics) | 200 metres Individual Medley, Women | 20 October 1968 | 39 | 11 years 330 days |
| Liana Vicens | 25 November 1956 | PUR | Swimming (Aquatics) | 200 metres Breaststroke, Women | 22 – 23 October 1968 | 31 | 11 years 332 days |
| Etsuko Inada | 8 February 1924 | JPN | Figure Skating (Skating) | Singles, Women | 11 – 15 February 1936 | 10 | 12 years 3 days |
| Inge Sørensen | 18 July 1924 | DEN | Swimming (Aquatics) | 200 metres Breaststroke, Women | 8 – 11 August 1936 | 3 | 12 years 21 days |
| Molly Tay | 13 August 1952 | MAS | Swimming (Aquatics) | 100 metres Butterfly, Women | 14 – 16 October 1964 | 30 | 12 years 62 days |
| Pat Eastwood | 16 December 1947 | RSA | Figure Skating (Skating) | Singles, Women | 21 – 23 February 1960 | 24 | 12 years 67 days |
| Jan Hoffmann | 26 October 1955 | GDR | Figure Skating (Skating) | Singles, Men | 14 – 16 February 1968 | 26 | 12 years 111 days |
| Belita Jepson-Turner | 21 October 1923 | GBR | Figure Skating (Skating) | Singles, Women | 11 – 15 February 1936 | 16 | 12 years 113 days |
| Alain Giletti | 11 September 1939 | FRA | Figure Skating (Skating) | Singles, Men | 19 – 21 February 1952 | 7 | 12 years 161 days |
| Carolyn Krau | 18 August 1943 | GBR | Figure Skating (Skating) | Pairs, Mixed | 3 February 1956 | 11 | 12 years 169 days |
| Judit Kiss | 27 January 1980 | HUN | Swimming (Aquatics) | 400 metres Freestyle, Women | 28 July 1992 | 24 | 12 years 183 days |
| Judit Kiss | 27 January 1980 | HUN | Swimming (Aquatics) | 800 metres Freestyle, Women | 30 July 1992 | 18 | 12 years 185 days |
| Werner Grieshofer | 22 February 1960 | AUT | Rowing | Coxed Pairs, Men | 27 August – 2 September 1972 | 4 h1 r2/4 | 12 years 187 days |
| Hend Zaza | 1 January 2009 | SYR | Table Tennis | Singles, Women | 24 – 29 July 2021 | =65 | 12 years 204 days |
| Ines Vercesi | 5 January 1916 | ITA | Artistic Gymnastics (Gymnastics) | Team All-Around, Women | 8 – 9 August 1928 | 2 | 12 years 216 days |
| Luciana Marcellini | 12 January 1948 | ITA | Swimming (Aquatics) | 200 metres Breaststroke, Women | 26 – 27 August 1960 | 26 | 12 years 227 days |
| Noël Vandernotte | 25 December 1923 | FRA | Rowing | Coxed Fours, Men | 11 – 14 August 1936 | 3 | 12 years 230 days |
| Noël Vandernotte | 25 December 1923 | FRA | Rowing | Coxed Pairs, Men | 12 – 14 August 1936 | 3 | 12 years 231 days |
| Yelena Vodorezova | 21 May 1963 | URS | Figure Skating (Skating) | Singles, Women | 10 – 13 February 1976 | 12 | 12 years 265 days |
| Carla Marangoni | 13 November 1915 | ITA | Artistic Gymnastics (Gymnastics) | Team All-Around, Women | 8 – 9 August 1928 | 2 | 12 years 269 days |
| Antoinette Guedia | 21 October 1995 | CMR | Swimming (Aquatics) | 50 metres Freestyle, Women | 15 – 17 August 2008 | 83 | 12 years 299 days |
| Antonia Real | 14 September 1963 | ESP | Swimming (Aquatics) | 400 metres Freestyle, Women | 20 July 1976 | 20 | 12 years 310 days |
| Antonia Real | 14 September 1963 | ESP | Swimming (Aquatics) | 800 metres Freestyle, Women | 24 – 25 July 1976 | 16 | 12 years 314 days |
| Ho Gang | 8 April 1975 | PRK | Figure Skating (Skating) | Singles, Men | 17 – 20 February 1988 | 28 r2/3 | 12 years 315 days |
| Marika Kilius | 24 March 1943 | GER | Figure Skating (Skating) | Pairs, Mixed | 3 February 1956 | 4 | 12 years 316 days |
| Hem Raksmey | 6 September 1983 | CAM | Swimming (Aquatics) | 100 metres Breaststroke, Women | 21 July 1996 | 46 | 12 years 319 days |
| Olga de Ángulo | 26 November 1955 | COL | Swimming (Aquatics) | 400 metres Freestyle, Women | 19 – 20 October 1968 | 24 | 12 years 328 days |
| Olga de Ángulo | 26 November 1955 | COL | Swimming (Aquatics) | 200 metres Individual Medley, Women | 20 October 1968 | 36 | 12 years 329 days |
| Olga de Ángulo | 26 November 1955 | COL | Swimming (Aquatics) | 800 metres Freestyle, Women | 22 – 24 October 1968 | 22 | 12 years 331 days |
| Olga de Ángulo | 26 November 1955 | COL | Swimming (Aquatics) | 400 metres Individual Medley, Women | 24 – 25 October 1968 | 24 | 12 years 333 days |
| Philippe Cuelenaere | 2 September 1971 | BEL | Rowing | Coxed Pairs, Men | 31 July – 5 August 1984 | 11 | 12 years 333 days |
| Kokona Hiraki | 26 August 2008 | JPN | Skateboarding (Roller Sports) | Park, Women | 4 August 2021 | 2 | 12 years 343 days |
| Diana Hatler | 1 August 1963 | PUR | Swimming (Aquatics) | 4 × 100 metres Medley Relay, Women | 18 July 1976 | 16 | 12 years 352 days |
| Diana Hatler | 1 August 1963 | PUR | Swimming (Aquatics) | 400 metres Freestyle, Women | 20 July 1976 | 31 | 12 years 354 days |
| Diana Hatler | 1 August 1963 | PUR | Swimming (Aquatics) | 800 metres Freestyle, Women | 24 – 25 July 1976 | 19 | 12 years 358 days |
| Diana Hatler | 1 August 1963 | PUR | Swimming (Aquatics) | 4 × 100 metres Freestyle Relay, Women | 25 July 1976 | 14 | 12 years 359 days |
| Marcia Arriaga | 18 October 1955 | MEX | Swimming (Aquatics) | 100 metres Freestyle, Women | 18 – 19 October 1968 | =37 | 13 years 0 days |
| Marcia Arriaga | 18 October 1955 | MEX | Swimming (Aquatics) | 200 metres Freestyle, Women | 21 – 22 October 1968 | 31 | 13 years 3 days |
| Céléstine N'Drin | 20 July 1963 | CIV | Athletics | 800 metres, Women | 23 – 26 July 1976 | 6 h3 r1/3 | 13 years 3 days |
| Céléstine N'Drin | 20 July 1963 | CIV | Athletics | 400 metres, Women | 25 – 29 July 1976 | 7 h4 r1/4 | 13 years 5 days |
| Jorge Lima | 13 July 1967 | ANG | Swimming (Aquatics) | 100 metres Backstroke, Men | 20 – 21 July 1980 | 32 | 13 years 7 days |
| Marcia Arriaga | 18 October 1955 | MEX | Swimming (Aquatics) | 4 × 100 metres Freestyle Relay, Women | 26 October 1968 | 13 | 13 years 8 days |
| Jorge Lima | 13 July 1967 | ANG | Swimming (Aquatics) | 200 metres Freestyle, Men | 21 July 1980 | 40 | 13 years 8 days |
| Jorge Lima | 13 July 1967 | ANG | Swimming (Aquatics) | 4 × 100 metres Medley Relay, Men | 24 July 1980 | 11 | 13 years 11 days |
| Ondrej Nepela | 22 January 1951 | TCH | Figure Skating (Skating) | Singles, Men | 3 – 6 February 1964 | 22 | 13 years 12 days |
| Jorge Lima | 13 July 1967 | ANG | Swimming (Aquatics) | 100 metres Freestyle, Men | 26 – 27 July 1980 | 35 | 13 years 13 days |
| Sonja Morgenstern | 22 January 1955 | GDR | Figure Skating (Skating) | Singles, Women | 8 – 10 February 1968 | 28 | 13 years 17 days |
| Rachaniwan Bulakul | 1 July 1963 | THA | Swimming (Aquatics) | 100 metres Freestyle, Women | 18 – 19 July 1976 | 33 | 13 years 17 days |
| Rachaniwan Bulakul | 1 July 1963 | THA | Swimming (Aquatics) | 400 metres Freestyle, Women | 20 July 1976 | 22 | 13 years 19 days |
| Rachaniwan Bulakul | 1 July 1963 | THA | Swimming (Aquatics) | 200 metres Freestyle, Women | 22 July 1976 | 29 | 13 years 21 days |
| Dorothy Poynton-Hill | 17 July 1915 | USA | Diving (Aquatics) | Springboard, Women | 9 August 1928 | 2 | 13 years 23 days |
| Marina Sanaya | 7 January 1959 | URS | Figure Skating (Skating) | Singles, Women | 4 – 7 February 1972 | 18 | 13 years 28 days |
| Sky Brown | 7 July 2008 | GBR | Skateboarding (Roller Sports) | Park, Women | 4 August 2021 | 3 | 13 years 28 days |
| Byeon Hye-Yeong | 17 June 1983 | KOR | Swimming (Aquatics) | 100 metres Breaststroke, Women | 21 July 1996 | 30 | 13 years 34 days |
| Byeon Hye-Yeong | 17 June 1983 | KOR | Swimming (Aquatics) | 4 × 100 metres Medley Relay, Women | 24 July 1996 | 18 | 13 years 37 days |
| Margery Hinton | 25 June 1915 | GBR | Swimming (Aquatics) | 200 metres Breaststroke, Women | 7 – 9 August 1928 | 5 h1 r1/3 | 13 years 43 days |
| Garnet Charwat | 7 June 1967 | NCA | Swimming (Aquatics) | 100 metres Freestyle, Women | 20 – 21 July 1980 | 26 | 13 years 43 days |
| Garnet Charwat | 7 June 1967 | NCA | Swimming (Aquatics) | 100 metres Breaststroke, Women | 24 July 1980 | 25 | 13 years 47 days |
| William Horton, Jr. | 25 May 1939 | USA | Sailing | Three Person Keelboat, Open | 20 – 28 July 1952 | 11 | 13 years 56 days |
| Krisztina Czakó | 17 December 1978 | HUN | Figure Skating (Skating) | Singles, Women | 19 – 21 February 1992 | 23 | 13 years 64 days |
| Mira Ghniem | 18 May 1983 | JOR | Swimming (Aquatics) | 200 metres Individual Medley, Women | 24 July 1996 | 43 | 13 years 67 days |
| Nádia Cruz | 12 July 1975 | ANG | Swimming (Aquatics) | 100 metres Breaststroke, Women | 23 September 1988 | 42 | 13 years 73 days |
| Ian Johnston | 18 June 1947 | AUS | Rowing | Coxed Pairs, Men | 31 August – 3 September 1960 | 4 h2 r2/3 | 13 years 74 days |
| Mircea Roger | 16 June 1947 | ROU | Rowing | Coxed Fours, Men | 30 August – 3 September 1960 | 5 h2 r3/4 | 13 years 75 days |
| Mircea Roger | 16 June 1947 | ROU | Rowing | Coxed Pairs, Men | 31 August – 3 September 1960 | 6 | 13 years 76 days |
| Kim Yun-Mi | 1 December 1980 | KOR | Short Track Speed Skating (Skating) | 3,000 metres Relay, Women | 22 February 1994 | 1 | 13 years 83 days |
| Joscelin Yeo | 2 May 1979 | SGP | Swimming (Aquatics) | 100 metres Freestyle, Women | 26 July 1992 | 33 | 13 years 85 days |
| Joscelin Yeo | 2 May 1979 | SGP | Swimming (Aquatics) | 200 metres Freestyle, Women | 27 July 1992 | 28 | 13 years 86 days |
| Joscelin Yeo | 2 May 1979 | SGP | Swimming (Aquatics) | 400 metres Freestyle, Women | 28 July 1992 | 28 | 13 years 87 days |
| Joscelin Yeo | 2 May 1979 | SGP | Swimming (Aquatics) | 100 metres Butterfly, Women | 29 July 1992 | 31 | 13 years 88 days |
| Joscelin Yeo | 2 May 1979 | SGP | Swimming (Aquatics) | 200 metres Individual Medley, Women | 30 July 1992 | 33 | 13 years 89 days |
| Joscelin Yeo | 2 May 1979 | SGP | Swimming (Aquatics) | 50 metres Freestyle, Women | 31 July 1992 | =34 | 13 years 90 days |
| Daniel Jorge | 26 May 1959 | URU | Rowing | Coxed Pairs, Men | 27 August – 2 September 1972 | 5 h4 r2/4 | 13 years 93 days |
| Olena Belusovska | 7 November 1980 | UKR | Figure Skating (Skating) | Pairs, Mixed | 13 – 15 February 1994 | 16 | 13 years 98 days |
| Barbara Hounsell | 6 July 1951 | CAN | Swimming (Aquatics) | 400 metres Individual Medley, Women | 15 – 17 October 1964 | 9 | 13 years 101 days |
| Barbara Hounsell | 6 July 1951 | CAN | Swimming (Aquatics) | 400 metres Freestyle, Women | 17 – 18 October 1964 | 18 | 13 years 103 days |
| Zsuzsa Almássy | 8 October 1950 | HUN | Figure Skating (Skating) | Singles, Women | 30 January – 2 February 1964 | 17 | 13 years 114 days |
| No Ju-Hui | 18 March 1983 | KOR | Swimming (Aquatics) | 200 metres Breaststroke, Women | 23 July 1996 | 28 | 13 years 127 days |
| Donna de Varona | 26 April 1947 | USA | Swimming (Aquatics) | 4 × 100 metres Freestyle Relay, Women | 2 – 3 September 1960 | 1 | 13 years 129 days |
| Françoise Monod | 20 April 1959 | SUI | Swimming (Aquatics) | 100 metres Freestyle, Women | 28 – 29 August 1972 | 32 | 13 years 130 days |
| Françoise Monod | 20 April 1959 | SUI | Swimming (Aquatics) | 4 × 100 metres Freestyle Relay, Women | 30 August 1972 | 14 | 13 years 132 days |
| György Erdélyi | 31 March 1923 | HUN | Swimming (Aquatics) | 100 metres Backstroke, Men | 12 – 14 August 1936 | 5 h3 r1/3 | 13 years 134 days |
| Françoise Monod | 20 April 1959 | SUI | Swimming (Aquatics) | 200 metres Freestyle, Women | 1 September 1972 | 23 | 13 years 134 days |
| Françoise Monod | 20 April 1959 | SUI | Swimming (Aquatics) | 800 metres Freestyle, Women | 2 – 3 September 1972 | 27 | 13 years 135 days |
| Françoise Monod | 20 April 1959 | SUI | Swimming (Aquatics) | 4 × 100 metres Medley Relay, Women | 3 September 1972 | 11 | 13 years 136 days |
| Ken Lester | 9 April 1947 | GBR | Rowing | Coxed Pairs, Men | 31 August – 3 September 1960 | 3 h3 r2/3 | 13 years 144 days |
| Yukari Takemoto | 27 April 1955 | JPN | Swimming (Aquatics) | 100 metres Breaststroke, Women | 18 – 19 October 1968 | 17 | 13 years 174 days |
| Yukari Takemoto | 27 April 1955 | JPN | Swimming (Aquatics) | 200 metres Breaststroke, Women | 22 – 23 October 1968 | =20 | 13 years 178 days |