2008 Tennessee Democratic Presidential Primary
| Pollster | Dates | N/Pop | Clinton | Edwards | Obama | Undecided |
| ARG | 2/3-4/08 | 600 LV | 59 | - | 37 | 3 |
| PPP (D) | 2/2/2008 | 1251 LV | 56 | - | 34 | 10 |
| InsiderAdvantage | 2/2/2008 | 485 LV | 55 | - | 35 | 7 |
| Rasmussen | 1/30/2008 | 448 LV | 49 | - | 35 | 4 |
| InsiderAdvantage | 1/30/2008 | 463 LV | 59 | - | 26 | 8 |
| WSMV-TV | 1/28-29/08 | 402 LV | 36 | - | 31 | 25 |
| PPP (D) | 1/28/2008 | 753 LV | 43 | 16 | 32 | 9 |
| WSMV-TV | 1/19-21/08 | 503 LV | 34 | 16 | 20 | 28 |
