Williams Bay
- County:
- Walworth County
- County Seat:
- No
- Area (mi²):
- 2.769
- State:
- Wisconsin
Williams Bay is a village located in Walworth County, Wisconsin. Williams Bay has a 2026 population of 2,961. Williams Bay is currently declining at a rate of -0.84% annually but its population has increased by 0.17% since the most recent census, which recorded a population of 2,956 in 2020.