- Commodore
- Conemaugh
- Confluence
- Conneaut Lake
- Conneautville
- Connellsville
- Connoquenessing
- Conshohocken
- Conyngham
- Coopersburg
- Coplay
- Coraopolis
- Corry
- Corsica
- Coudersport
- Courtdale
- Crabtree
- Crafton
- Cranesville
- Creekside
- Cresson
- Cressona
- Cross Roads
- Croydon
- Curtisville
- Curwensville
- Carlisle
- Cassville
- Centralia
- Chapman