Rayne
- County:
- Acadia Parish
- County Seat:
- No
- Area (mi²):
- 3.792
- State:
- Louisiana
Rayne is a city located in Acadia Parish, Louisiana. Rayne has a 2026 population of 6,983. Rayne is currently declining at a rate of -0.61% annually and its population has decreased by -3.59% since the most recent census, which recorded a population of 7,243 in 2020.