| Fonseca e Castro | |
| Fullname: | Manuel da Fonseca e Castro |
| Birth Date: | 5 January 1906 |
| Birth Place: | Portugal |
| Position: | Forward |
| Clubs1: | Académico |
| Nationalyears1: | 1925–1926 |
| Nationalteam1: | Portugal |
| Nationalcaps1: | 3 |
| Nationalgoals1: | 0 |
Manuel da Fonseca e Castro was a Portuguese footballer who played as a forward.