- Williams Island
- Willow Creek
- Willow Island
- Willow Island
- Willow Island
- Willow Lane Trailer Park
- Willow Sprig Island
- Willow Springs
- Wills
- Wilmoore Heights
- Wilmot
- Wilson
- Wilson
- Wilton
- Winchester
- Winchester
- Wind Lake
- Wind Point
- Windsor
- Winnebago
- Winnebago Heights
- Winnebago Mission
- Winnebago Park
- Winneboujou
- Winneconne
- Winter
- Wiota
- Wisconsin Dells
- Wisconsin Junction
- Wisconsin Rapids