| William Castro | |
| Fullname: | William Adrián Castro Rosso |
| Birth Date: | 22 May 1962 |
| Birth Place: | Mercedes, Uruguay |
| Position: | Midfielder |
| Years1: | 1982–1985 |
| Years2: | 1985 |
| Years3: | 1987 |
| Years4: | 1988–1989 |
| Years5: | 1990–1991 |
| Years6: | 1992–1993 |
| Years7: | 1994 |
| Years8: | 1995 |
| Years9: | 1996 |
| Years10: | 1997 |
| Years11: | 1998 |
| Clubs1: | Bella Vista |
| Clubs2: | Gimnasia y Esgrima (LP) |
| Clubs3: | Bella Vista |
| Clubs4: | Nacional |
| Clubs5: | Cruz Azul |
| Clubs6: | Peñarol |
| Clubs7: | Universitario |
| Clubs8: | Progreso |
| Clubs9: | Liverpool de Montevideo |
| Clubs10: | Punta del Este |
| Clubs11: | Miramar Misiones |
| Caps2: | 10 |
| Goals2: | 0 |
| Caps5: | 34 |
| Goals5: | 5 |
| Goals7: | 3 [1] |
| Nationalyears1: | 1989–1991 |
| Nationalteam1: | Uruguay |
| Nationalcaps1: | 9 |
| Nationalgoals1: | 2 |
William Adrián Castro Rosso (born 22 May 1962 in Mercedes) is a former Uruguayan footballer.[2]
Castro had spells with Club de Gimnasia y Esgrima La Plata in the Primera División de Argentina[3] and Cruz Azul in the Primera División de Mexico.
Castro made nine appearances for the senior Uruguay national football team from 1989 to 1991, and he was a member of the squad at the 1990 FIFA World Cup.