- Waterloo
- Waterman
- Watertown
- Watkins
- Watkins Ford
- Watseka
- Watson
- Wauconda
- Waukegan
- Wauponsee
- Waverly
- Wayland
- Wayne
- Wayne Center
- Wayne City
- Waynesville
- Weaver
- Webster
- Webster
- Webster Hill Estates
- Webster Park
- Wedges Corner
- Wedgewood
- Wedgewood Heights
- Wedron
- Weedman
- Weir
- Welco Corners
- Weldon
- Weldwood Oaks