- Wildermere Beach
- Wildmans Landing
- Willard Island
- Williams Crossing
- Willimantic
- Willington Hill
- Wilson
- Wilson Head
- Wilsonville
- Wilton
- Winchester Center
- Windermere
- Windham
- Windmill Springs
- Windsor
- Windsor Locks
- Windsorville
- Winnipauk
- Winnipauk Village
- Winsted
- Wintergreen Island
- Winthrop
- Wolcott
- Wood Island
- Woodbridge
- Woodbury
- Woodbury Center
- Woodmont
- Woodstock
- Woodstock Valley