Mangham
- County:
- Richland Parish
- County Seat:
- No
- Area (mi²):
- 1.112
- State:
- Louisiana
Mangham is a town located in Richland Parish, Louisiana. Mangham has a 2026 population of 607. Mangham is currently declining at a rate of -0.49% annually and its population has decreased by -2.88% since the most recent census, which recorded a population of 625 in 2020.