| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Adán Torres |  ARG |
ATH | Olympics | 1948 | Committed suicide upon becoming disabled after being struck by a vehicle, date unknown. |
| Fritz Traun |  GER |
ATH/TEN | Olympics | 1896 | Committed suicide. |
| Kokichi Tsuburaya |  JPN |
ATH | Olympics | 1964 | Committed suicide. |
| Ernst Udet | GER |
LIT | Olympics | 1936 | Committed suicide, shot himself after years of alcoholism and drugs. |
| Antal Ujváry |  HUN |
FHB | Olympics | 1936 | Committed suicide |
| Tarmo Uusivirta |  FIN |
BOX | Olympics | 1980 | Committed suicide. |
| Carlos Vaca |  MEX |
ARC | YOG | 2018 | Committed suicide by jumping. |
| Frans Van Looy |  BEL |
CRD | Olympics | 1972 | Committed suicide. |
| Albert Venn |  USA |
LAX | Olympics | 1904 | Committed suicide by hanging himself. |
| Maura Viceconte |  ITA |
ATH | Olympics | 1996—2000 | Committed suicide by hanging herself. |
| George Vivian |  CAN |
SHO | Olympics | 1908 | Committed suicide by shooting himself at his home, for unknown reasons. |
| Claiborne Walker | USA |
FEN | Olympics | 1920 | Committed suicide aboard ship in Shanghai Harbour, shooting himself. |
| Sammy Wanjiru |  KEN |
ATH | Olympics | 2008 | Committed suicide after being found in love triangle by his wife. |
| Billy Ward |  AUS |
BOX | Olympics | 2012 | Committed suicide. |
| Eric Wauters | BEL |
EJP | Olympics | 1972—1996 | Committed suicide at his home. |
| Ludwig Weinacht | GER |
ROW | Olympics | 1912 | Committed suicide. |
| Mike Whitmarsh | USA |
VBV | Olympics | 1996 | Committed suicide. |
| Percy Williams | CAN |
ATH | Olympics | 1928—1932 | Committed suicide. |
| John Wood | CAN |
CSP | Olympics | 1968—1976 | Committed suicide. |
| Steve Wood | AUS |
CSP | Olympics | 1988—1992 | Committed suicide by hanging himself. |
| Stephen Wooldridge | AUS |
CTR | Olympics | 2004 | Committed suicide. |
| Hiromi Yamafuji | JPN |
CTR | Olympics | 1964 | Committed suicide. |
| Ikuko Yoda | JPN |
ATH | Olympics | 1964 | Committed suicide. |
| Masami Yoshida | JPN |
ATH | Olympics | 1984—1992 | Committed suicide. |
| Florin Zalomir |  ROU |
FEN | Olympics | 2012 | Committed suicide by shooting himself in the head. |
