2008 Maryland Republican Presidential Primary
| Pollster | Dates | N/Pop | Giuliani | Huckabee | McCain | Paul | Romney | Undecided |
| SurveyUSA | 2/9-10/08 | 368 LV | - | 26 | 52 | 10 | - | - |
| ARG | 2/8-9/08 | 600 LV | - | 25 | 50 | 11 | - | - |
| MSNBC/McClatchy/ Mason-Dixon | 2/7-8/08 | 400 LV | - | 23 | 54 | 7 | - | - |
| SurveyUSA | 2/6-7/08 | 360 LV | - | 17 | 56 | 10 | - | 4 |
| Gonzales | 1/4-11/08 | LV | 15 | 15 | 23 | 9 | 13 | 13 |
| Baltimore Sun/ Opinion Works | 1/6-9/08 | 304 RV | 16 | 18 | 26 | - | 12 | 13 |
| Wash. Post | 10/18-22/07 | A | 39 | 2 | 18 | 4 | 10 | 9 |
| Baltimore Sun/ Opinion Works | 8/24-26/07 | 177 RV | 32 | 2 | 13 | 2 | 8 | 29 |
