- Church Island
- Cilleyville
- Clampit Island
- Claremont
- Claremont Junction
- Clark Hill
- Clark Island
- Clark Landing
- Clinton Grove
- Clinton Village
- Cluffs Crossing
- Coburn
- Cocheco
- Coffins Mill
- Colby
- Cold River
- Colebrook
- Collettes Grove
- Colonial Pines
- Columbia
- Commons Island
- Concord
- Concord Heights
- Concord Manor
- Cones
- Conleys Grove
- Contoocook
- Converseville
- Conway
- Cooks Crossing