Towns
| State | City/Town | Town Title |
|---|---|---|
| Tennessee | Ocoee | Ocoee, TN |
| Tennessee | Old Hickory | Old Hickory, TN |
| Tennessee | Oldfort | Oldfort, TN |
| Tennessee | Olivehill | Olivehill, TN |
| Tennessee | Oliver Springs | Oliver Springs, TN |
| Tennessee | Oneida | Oneida, TN |
| Tennessee | Only | Only, TN |
| Tennessee | Ooltewah | Ooltewah, TN |
| Tennessee | Orlinda | Orlinda, TN |
| Tennessee | Pall Mall | Pall Mall, TN |
| Tennessee | Palmer | Palmer, TN |
| Tennessee | Palmersville | Palmersville, TN |
| Tennessee | Palmyra | Palmyra, TN |
| Tennessee | Paris | Paris, TN |
| Tennessee | Parrottsville | Parrottsville, TN |
| Tennessee | Parsons | Parsons, TN |
| Tennessee | Pegram | Pegram, TN |
| Tennessee | Pelham | Pelham, TN |
| Tennessee | Petersburg | Petersburg, TN |
| Tennessee | Petros | Petros, TN |
| Tennessee | Philadelphia | Philadelphia, TN |
| Tennessee | Pickwick Dam | Pickwick Dam, TN |
| Tennessee | Pigeon Forge | Pigeon Forge, TN |
| Tennessee | Pikeville | Pikeville, TN |
| Tennessee | Piney Flats | Piney Flats, TN |