8 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Knoxville | Knox County | 202,639 |
| Kingsport | Sullivan County | 57,558 |
| Kingston | Roane County | 6,389 |
| Karns | Anderson County | 4,981 |
| Kingston Springs | Cheatham County | 2,749 |
| Kimball | Marion County | 1,644 |
| Kenton | Gibson County | 1,241 |
| Kahite | Loudon County | 661 |