 
| Roles | Competed in Olympic Games • Non-starter | 
|---|---|
| Sex | Male | 
| Full name | Carlos•Castro Feijóo | 
| Used name | Carlos•Castro | 
| Born | 1909 | 
| NOC |  Argentina | 
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1928 Summer Olympics | Water Polo (Aquatics) |  ARG | Carlos Castro | |||
| Water Polo, Men (Olympic) | Argentina | =9 | ||||
| Swimming (Aquatics) |  ARG | Carlos Castro | ||||
| 100 metres Backstroke, Men (Olympic) |