- Severance
- Shapleigh Island
- Shaws Hill
- Shel Al Mobile Estates
- Smith Colony
- Smith Corner
- Smithtown
- South Danville
- South Deerfield
- South Kingston
- South Newington
- South Seabrook
- Star Island
- Swan Island
- Slab City
- Smithville
- South Brookline
- South Lyndeborough
- South Merrimack
- South Milford
- South Weare
- Sabattus Heights
- Salisbury Heights
- Scribners Corner
- Shaker Village
- Shingle Mill Corner
- Short Falls
- Smiths Corner
- Snyders Hill
- South Alexandria