- Nannie Island
- Nashua
- Nason Corners
- Nelson
- New Boston
- New Castle
- New Castle Island
- New Durham
- New Durham Corner
- New Hampton
- New Ipswich
- New Ipswich Center
- New London
- New Portsmouth
- New Rye
- Newbury
- Newfields
- Newington
- Newington Station
- Newmarket
- Newmarket
- Newport
- Newton
- Newton Junction
- Newtons Mobile Park
- Nine Island
- Nineacre Island
- No Mans Island
- Noone
- North Beach