Place
- Chywoone, Cornwall1
- Châtelandren, France1
- Cirencester, England1
- Claverley, Shropshire1
- Cleasby, Yorkshire1
- Clee, Lincolnshire1
- Clewer, Berkshire1
- Clontygora, Armagh1
- Coldrum, Kent1
- Collingham, Yorkshire1
- Cong, Galway1
- Coniston, Yorkshire1
- Cottam, Cork1
- Courconno (?), Brittany1
- Cowlam, Yorkshire1
- Coët-a-Touse, Brittany1
- Craigmadden Castle, Scotland1
- Craigs, Antrim1
- Crayford, Kent1
- Criggieth, Carmarthenshire1