| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Ioanna Tissamenou |  GRE |
TEN | 1906 | 1906 | First woman (shared) to compete for Greece |
| Ria Tobing |  INA |
SWM | Olympics | 1956 | First woman to compete for Indonesia |
| Rosa Torras |  ESP |
TEN | Olympics | 1924 | First woman (shared) to compete for Spain |
| Fatalmoudou Touré |  MLI |
ATH | Olympics | 1980 | First woman to compete for Mali |
| Miriama Tuisorisori-Chambault |  FIJ |
ATH | Olympics / Opening Flagbearer | 1976—1984 | First woman to compete for Fiji |
| Afërdita Tusha |  ALB |
SHO | Olympics / Opening Flagbearer | 1972 | First woman to compete for Albania |
| Larisa Udodova |  EUN UZB |
FRS | Olympics | 1992—1994 | First woman to compete for Uzbekistan |
| María Uribe |  MEX |
ATH | Olympics | 1932 | First woman to compete for Mexico |
| Rosario de Vivanco |  PER |
SWM | Olympics | 1964—1968 | First woman to compete for Peru |
| Roda Wais |  DJI |
ATH | Olympics | 2000 | First woman to compete for Djibouti |
| Hilda Wallis |  IRL |
TEN | Olympics | 1924 | First woman (shared) to compete for Ireland |
| Violet Walrond |  NZL |
SWM | Olympics | 1920 | First woman to compete for New Zealand |
| Olga Winterberg |  ISR |
ATH | Olympics | 1952 | First woman to compete for Israel |
| Ivonne Witteveen |  AHO |
FEN | Olympics | 1968 | First woman (shared) to compete for the Netherlands Antilles |
| Mina Wylie |  ANZ AUS |
SWM | Olympics | 1912 | First woman to compete for Australasia |
| Buthayna Al-Yaqoubi |  OMA |
ATH | Olympics | 2008 | First woman to compete for Oman |
