Leon
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 0.723
- State:
- Kansas
Leon is a city located in Butler County, Kansas. Leon has a 2026 population of 649. Leon is currently declining at a rate of -1.67% annually and its population has decreased by -1.07% since the most recent census, which recorded a population of 656 in 2020.