La Belle
- County:
- Lewis County
- County Seat:
- No
- Area (mi²):
- 0.68
- State:
- Missouri
La Belle is a city located in Lewis County, Missouri. La Belle has a 2026 population of 645. La Belle is currently declining at a rate of -0.15% annually and its population has decreased by -2.42% since the most recent census, which recorded a population of 661 in 2020.