- Capel Hendre
- Capel Isaac
- Capel Iwan
- Capel Seion
- Capel-y-ffin
- Capel Llanilltern
- Cardiff
- Castle Community
- Creigiau
- Cardigan
- Carew
- Carew Newton
- Carmarthen
- Cae'r-bryn
- Cefn-bryn-brain
- Coopers
- Cwm-y-glo
- Cwmbach
- Cwmdwyfran
- Cwmgwili
- Cwmifor
- Carnguwch
- Carnhedryn
- Carno
- Carrog
- Carway
- Cascob
- Casnewydd
- Castle Caereinion
- Castlemartin