W
- Wahsatch
- Wales
- Wallsburg
- Wanship
- Warren
- Washakie
- Washington
- Washington Terrace
- Watson
- Wattis
- Wellington
- Wellsville
- Wendover
- West Bountiful
- West Haven
- West Jordan
- West Mercur
- West Mountain
- West Point
- West Portal
- West Side Estates
- West Valley City
- West Warren
- Westwater
- West Weber
- Wheatgrass
- Wheelon
- Whipup
- White Canyon
- White City
- White Horse Village
- White Mesa
- White Mesa Village
- White Rock Curve Village
- Whiterocks
- Whites Crossing
- Widtsee
- Wildcat
- Wildwood
- Willard
- Willard
- Willow View Estates
- Wilson
- Wing
- Winter Quarters
- Wood Hill
- Woodland
- Woodland Hills
- Woodruff
- Woods Cross
- Woodside
- Wyuta