- Whitehall
- Whites City
- Whites Island (historical)
- Whitetail
- Whitewater
- Whitlash
- Wibaux
- Wickes
- Wilborn
- Wild Goose Island
- Wild Horse Island
- Willard
- Williams
- Williamsburg
- Willow Creek
- Willow Creek Mobile Home Park
- Willow Crossing
- Willow Wynn Trailer Park
- Wilsall
- Windham
- Winifred
- Winnecook
- Winnett
- Winston
- Wisdom
- Wise River
- Wisner Crossing
- Wolf Creek
- Wolf Island
- Wolf Point