Bar Nunn
- County:
- Natrona County
- County Seat:
- No
- Area (mi²):
- 2.099
- State:
- Wyoming
Bar Nunn is a town located in Natrona County, Wyoming. Bar Nunn has a 2026 population of 3,019. Bar Nunn is currently growing at a rate of 0.57% annually and its population has increased by 0.57% since the most recent census, which recorded a population of 3,002 in 2020.