- Cator Corners
- Catskill
- Cattaraugus
- Cattown
- Caughdenoy
- Causeway Island
- Cauterskill
- Cayuga
- Cayuga Heights
- Cayuga Island
- Cayuga Junction
- Cayuga Lake Estates Mobile Home Park
- Cayuga Village Mobile Home Park
- Cayuta
- Cayutaville
- Caywood
- Cazenovia
- Cecil Park
- Cedar Acres Mobile Home Park
- Cedar Beach
- Cedar Bluffs
- Cedar Cliff
- Cedar Flats
- Cedar Hill
- Cedar Hollow Mobile Home Park
- Cedar Hurst Park Mobile Home Park
- Cedar Island
- Cedar Island
- Cedar Island
- Cedar Island