8 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Knoxville | Knox County | 200,595 |
| Kingsport | Sullivan County | 57,508 |
| Kingston | Roane County | 6,397 |
| Karns | Anderson County | 4,981 |
| Kingston Springs | Cheatham County | 2,758 |
| Kimball | Marion County | 1,659 |
| Kenton | Gibson County | 1,242 |
| Kahite | Loudon County | 661 |