- South Stoddard
- Spencer Island
- Spofford
- Spragueville
- Squantum
- State Line
- Stebbins Island
- Swanzey Station
- Scates Corner
- Scott
- Seven Islands
- South Lancaster
- Starr King
- Stevens Island
- Stewartstown
- Stewartstown Hollow
- Sachem Village
- Savageville
- Sheep Island
- Stillwater
- Swiftwater
- Sagamore Grove
- Salem Depot
- Sanborn
- Sanborn Corners
- Sargent Corners
- Seabrook Beach
- Seabrook Station
- Seacrest Village
- Seavey Island