Cities
- Cairo
- Caledonia
- Callicoon
- Calverton
- Camden
- Camillus
- Campbell
- Canaan
- Canajoharie
- Canandaigua
- Canastota
- Canisteo
- Canton
- Carle Place
- Carmel
- Carthage
- Cassadaga
- Castile
- Castleton-On-Hudson
- Cato
- Catskill
- Cazenovia
- Cedarhurst
- Center Moriches
- Centereach
- Centerport
- Central Islip