- Nichols
- Noank
- Norfolk
- Noroton
- Noroton Heights
- North Ashford
- North Bloomfield
- North Branford
- North Brother
- North Canton
- North Colebrook
- North Cornwall
- North Coventry
- North Cromwell
- North End
- North Franklin
- North Goshen
- North Granby
- North Greenwich
- North Grosvenor Dale
- North Guilford
- North Haven
- North Haven Bridge
- North Hollow
- North Kent
- North Lyme
- North Madison
- North Mianus
- North Mianus
- North Rocks