- Wakeman Island
- Walden Island
- Wallingford Center
- Walnut Beach
- Wangum Village
- Wannuppee Islands
- Wapping
- Wapping Mews Elderly Housing
- Warehouse Point
- Warren
- Warrenville
- Washington
- Washington Depot
- Wataba Lake
- Central Waterford
- Waterford Island
- Waterville
- Watts Island
- Wauregan Station
- Wayland Island
- Weatogue
- Wee Captain Island
- Welles Village
- Wellsville
- Wequetequock
- West Ashford
- West Avon
- West Cheshire
- West Cornwall
- West Crib