 
| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Agostinho "Mangangá"•Sampaio de Sá (Mendes Pinto-) | 
| Used name | •Mangangá | 
| Born | 8 January 1897 in Rio de Janeiro, Rio de Janeiro (BRA) | 
| Died | 28 April 1960 in Rio de Janeiro, Rio de Janeiro (BRA) | 
| Affiliations | Natação, Rio de Janeiro (BRA) | 
| NOC |  Brazil | 
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Water Polo (Aquatics) |  BRA | Mangangá | |||
| Water Polo, Men (Olympic) | Brazil | =6 |