| Margarett Campbell | |
| State House: | Montana |
| State: | Montana |
| District: | 31st |
| Term: | 2004 - |
| Succeeded: | Incumbent |
| Party: | Democratic Party |
| Alma Mater: | Northern Montana College, University of Montana |
| Occupation: | Vice President for Community Services, Fort Peck Community College |
| Residence: | Poplar, Montana |
Margarett H. Campbell is a Democratic Party member of the Montana House of Representatives, representing District 31 since 2004. She most recently served as a Minority Whip.