| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Antônio•Martins Guimarães | |
| Used name | Antônio•Guimarães | |
| Born | 4 May 1900 in Rio de Janeiro, Rio de Janeiro |  BRA |
| Died | 27 February 1975 (aged 74 years 9 months 23 days) in Rio de Janeiro, Rio de Janeiro | BRA |
| Measurements | 198 cm | |
| NOC | Brazil | BRA |
Antônio Guimarães had the following podium finishes at major championships: 3rd in the 1951 Pan American Games 50 m rifle prone team (with Alberto Braga and the non-Olympians João Sabocinski and Ernani Martins Neves).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1932 Summer Olympics | Shooting | BRA |
Antônio Guimarães | |||
| Small-Bore Rifle, Prone, Men (Olympic) | =20 | |||||
| 1936 Summer Olympics | Shooting | BRA |
Antônio Guimarães | |||
| Small-Bore Rifle, Prone, Men (Olympic) | =23 | |||||
| 1948 Summer Olympics | Shooting | BRA |
Antônio Guimarães | |||
| Small-Bore Rifle, Prone, Men (Olympic) | 13 | |||||
| 1952 Summer Olympics | Shooting | BRA |
Antônio Guimarães | |||
| Free Rifle, Men (Olympic) | 31 |
