W
- Waatch
- Wabash
- Wacota
- Wagner
- Wagnersburg
- Wahl
- Wahluke
- Waits
- Waitsburg
- Waldron
- Walker
- Walkers Landing
- Walla Walla
- Walla Walla East
- Waller
- Wallingford
- Wallner
- Wallula
- Walnut Grove
- Walters
- Walville
- Wanapum Village
- Wapato
- Ward
- Warden
- Warm Beach
- Warner
- Warnick
- Warwick
- Washougal
- Washtucna
- Waterford
- Waterloo
- Waterville
- Wauconda
- Waukon
- Wauna
- Wautauga Beach
- Waverly
- Wawawai
- Wayside
- Weallup Lake
- Weatherwax
- Weber
- Weikel
- Weikswood
- Welland
- Wellpinit
- Wenas
- Wenatchee
- Wenatchee Heights
- Wesley Junction
- West Fork
- West Lake Sammamish
- West Lake Stevens
- West Longview
- West Pasco
- Westport
- West Richland
- West Side Highway
- West Sound
- West Valley
- West Wenatchee
- Wheeler
- Wheeler Corner
- Whelan
- Whetstone
- Whiskey Bend
- Whitcomb
- White Center
- White Horse
- White Salmon
- White Swan
- Whitlow
- Whitmarsh Junction
- Whitney
- Whitstran
- Wickersham
- Wilbur
- Wilcox
- Wildcat Lake
- Wilderness
- Wildwood
- Wildwood
- Wiley City
- Wilkeson
- Willapa
- Willard
- Willy Dick Crossing
- Wilma
- Wilson
- Wilson Creek
- Winchester
- Windust
- Windy Arm
- Winesap
- Winlock
- Winona
- Winslow
- Winston
- Winthrop
- Winton
- Wishkah
- Wishram
- Withrow
- Wolfred
- Wollochet
- Woodinville
- Woodland
- Woodland Park
- Woodlawn
- Woodmans
- Woodmont Beach
- Woodruff Mill
- Woods Creek
- Woodway
- Wymer
- Wynaco