| Jill Cohenour | |
| Office: | Minority Leader of the Montana Senate |
| Term Start: | January 4, 2021 |
| Term End: | January 2, 2023 |
| Predecessor: | Jon Sesso |
| Successor: | Pat Flowers |
| State Senate1: | Montana |
| District1: | 42nd |
| Term Start1: | January 5, 2015 |
| Predecessor1: | Dave Lewis |
| State House2: | Montana |
| District2: | 78th |
| Term Start2: | January 6, 2002 |
| Term End2: | January 3, 2011 |
| Successor2: | Steve Gibson |
| Birth Place: | Havre, Montana, U.S. |
| Party: | Democratic |
| Spouse: | Joe |
| Education: | University of Montana (BS) |
Jill Cohenour is a Democratic Party member of the Montana State Senate, representing District 42 since 2015.