| Gianni Dellacasa | |
| Birth Date: | 1961 7, df=yes |
| Birth Place: | Turin, Italy |
| Manageryears1: | 1998–2003 |
| Managerclubs1: | AC Bellinzona |
| Manageryears2: | 2003–2004 |
| Managerclubs2: | FC Winterthur |
| Manageryears3: | 2004–2005 |
| Managerclubs3: | Neuchâtel Xamax |
| Manageryears4: | 2005 |
| Managerclubs4: | FC Sion |
| Manageryears5: | 2005–2006 |
| Managerclubs5: | U.S. Cremonese |
| Manageryears6: | 2006–2007 |
| Managerclubs6: | FC Lugano |
| Manageryears7: | 2008–2009 |
| Managerclubs7: | FC Chiasso |
| Manageryears8: | 2009–2010 |
| Managerclubs8: | Vasas SC |
| Manageryears9: | 2011 |
| Managerclubs9: | ES Sétif |
Gianni Dellacasa (born 9 July 1961) is an Italian football manager.