| Gérard Castella | |
| Birth Date: | 1953 5, df=yes |
| Position: | Midfielder |
| Years1: | 1970–1975 |
| Clubs1: | Servette |
| Years2: | 1975–1977 |
| Clubs2: | CS Chênois |
| Years3: | 1977–1979 |
| Clubs3: | Young Boys |
| Years4: | 1979–1983 |
| Clubs4: | Lausanne-Sport |
| Years5: | 1984–1985 |
| Clubs5: | Étoile Carouge FC |
| Manageryears1: | 1984–1985 |
| Managerclubs1: | Étoile Carouge FC (player-manager) |
| Manageryears2: | 1985–1986 |
| Managerclubs2: | Vevey-Sports |
| Manageryears3: | 1987–1989 |
| Managerclubs3: | Étoile Carouge FC |
| Manageryears4: | 1990–1993 |
| Managerclubs4: | Urania Genève Sport |
| Manageryears5: | 1997–1999 |
| Managerclubs5: | Servette |
| Manageryears6: | 2000–2001 |
| Managerclubs6: | Étoile Carouge FC |
| Manageryears7: | 2002 |
| Managerclubs7: | St. Gallen |
| Manageryears8: | 2004–2006 |
| Managerclubs8: | Lausanne-Sport |
| Manageryears9: | 2006–2008 |
| Managerclubs9: | Neuchâtel Xamax |
| Manageryears10: | 2008–2009 |
| Managerclubs10: | Servette |
| Managerclubs11: | Switzerland U20 |
| Managerclubs12: | Switzerland U19 |
| Managerclubs13: | Switzerland U20 |
| Managerclubs14: | Switzerland U18 |
Gérard Castella (born 2 May 1953) is a Swiss football manager and former player who played as a midfielder.