La Fontaine
- County:
- Wabash County
- County Seat:
- No
- Area (mi²):
- 0.611
- State:
- Indiana
La Fontaine is a town located in Wabash County, Indiana. La Fontaine has a 2026 population of 802. La Fontaine is currently growing at a rate of 0.38% annually but its population has decreased by -0.12% since the most recent census, which recorded a population of 803 in 2020.