Nashville
- County:
- Brown County
- County Seat:
- Yes
- Area (mi²):
- 1.602
- State:
- Indiana
Nashville is a town located in Brown County, Indiana. Nashville has a 2026 population of 1,264. It is also the county seat of Brown County. Nashville is currently declining at a rate of -0.32% annually but its population has increased by 0.72% since the most recent census, which recorded a population of 1,255 in 2020.