Haynesville
- County:
- Claiborne Parish
- County Seat:
- No
- Area (mi²):
- 4.828
- State:
- Louisiana
Haynesville is a town located in Claiborne Parish, Louisiana. Haynesville has a 2026 population of 1,906. Haynesville is currently declining at a rate of -1.14% annually and its population has decreased by -5.74% since the most recent census, which recorded a population of 2,022 in 2020.