CSFC may refer to:
- Connacht Senior Football Championship, a Gaelic football competition in Ireland
In association football:
- Cheltenham Saracens F.C.
- Chemelil Sugar F.C.
- Civil Service F.C.
- Cobham Sports F.C.
- Continental Star F.C.
- Coventry Sphinx F.C.
- Cowes Sports F.C.
- Crane Sports F.C.
In education: