Wisner
- County:
- Franklin Parish
- County Seat:
- No
- Area (mi²):
- 0.796
- State:
- Louisiana
Wisner is a town located in Franklin Parish, Louisiana. Wisner has a 2026 population of 744. Wisner is currently declining at a rate of -0.93% annually and its population has decreased by -3.13% since the most recent census, which recorded a population of 768 in 2020.