- Wataga
- Weatherby
- Weatherby Lake
- Weaubleau
- Webb City
- Webster Groves
- Weldon Spring
- Weldon Spring Heights
- Wentzville
- West Alton
- West Line
- West Plains
- West Sullivan
- Westboro
- Wadell
- Wanda
- Wela Park
- Westview
- Whiteside
- Wilbur Park
- Watkins
- West Aurora
- Wildwood
- Wilson City
- Whiting
- Wood Heights
- Whitecloud
- Wilcox
- Woodson Terrace
- Wooldridge