| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | João•do Carmo Rodrigues Vieira | |
| Used name | João•Vieira | |
| Born | 6 March 1919 in Lisboa, Distrito de Lisboa |  POR |
| Affiliations | Sporting CP — Lisboa, Distrito de Lisboa | POR |
| NOC | Portugal | POR |
Personal Best: TJ – 14.70 (1947).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1948 Summer Olympics | Athletics | POR |
João Vieira | |||
| Triple Jump, Men (Olympic) | 17 r1/2 |
