Waynesboro
- County:
- Wayne County
- County Seat:
- Yes
- Area (mi²):
- 4.284
- State:
- Tennessee
Waynesboro is a city located in Wayne County, Tennessee. Waynesboro has a 2026 population of 2,311. It is also the county seat of Wayne County. Waynesboro is currently declining at a rate of -0.13% annually and its population has decreased by -0.13% since the most recent census, which recorded a population of 2,314 in 2020.