2008 Colorado Republican Presidential Primary
| Pollster | Dates | N/Pop | Giuliani | Huckabee | McCain | Paul | Romney | Undecided |
| Denver Post/ Mason-Dixon | 1/21-23/08 | 400 LV | 4 | 17 | 24 | 5 | 43 | 7 |
| ARG | 9/15-18/07 | 600 LV | 20 | 8 | 12 | 1 | 8 | 15 |
| Ciruli | 9/12-15/07 | 212 RV | 19 | 5 | 11 | 1 | 8 | 16 |
| ARG | 7/15-18/07 | 600 LV | 35 | 1 | 11 | 1 | 9 | 12 |
| ARG | 3/29 - 4/2/07 | 600 LV | 25 | 2 | 23 | 0 | 9 | 11 |
