Butler
- County:
- Waukesha County
- County Seat:
- No
- Area (mi²):
- 0.782
- State:
- Wisconsin
Butler is a village located in Waukesha County, Wisconsin. Butler has a 2026 population of 1,769. Butler is currently growing at a rate of 0.06% annually but its population has decreased by -0.84% since the most recent census, which recorded a population of 1,784 in 2020.