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. Crumlin Star F.C.
In education: Cadbury Sixth Form College Colchester Sixth Form College Coulsdon Sixth Form College