Frohna
- County:
- Perry County
- County Seat:
- No
- Area (mi²):
- 0.903
- State:
- Missouri
Frohna is a city located in Perry County, Missouri. Frohna has a 2026 population of 246. Frohna is currently growing at a rate of 0.41% annually and its population has decreased by 0% since the most recent census, which recorded a population of 246 in 2020.