Fenwood
- County:
- Marathon County
- County Seat:
- No
- Area (mi²):
- 0.984
- State:
- Wisconsin
Fenwood is a village located in Marathon County, Wisconsin. Fenwood has a 2026 population of 137. Fenwood is currently declining at a rate of -0.72% annually and its population has decreased by -2.14% since the most recent census, which recorded a population of 140 in 2020.