| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | António•Guedes de Herédia |
| Used name | António•de Herédia |
| Born | 10 March 1901 in Sacramento, Lisboa, Distrito de Lisboa (POR) |
| Died | 13 August 1997 (aged 96 years 5 months 3 days) in Lisboa, Distrito de Lisboa (POR) |
| Affiliations | Clube Naval de Lisboa, Lisboa (POR) / Associação Naval de Lisboa, Lisboa (POR) |
| Title(s) | Don |
| NOC | Portugal |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1928 Summer Olympics | Sailing | POR |
António de Herédia | |||
| 6 metres, Open (Olympic) | Camelia | 12 | ||||
| 1936 Summer Olympics | Sailing | POR |
António de Herédia | |||
| Two Person Keelboat, Open (Olympic) | Joaquim Fiuza | 10 | ||||
| 1948 Summer Olympics | Sailing | POR |
António de Herédia | |||
| Three Person Keelboat, Open (Olympic) | Argus | 9 |