| S.no. |
Governor |
Term start |
Term end |
Party |
Place |
| 1 |
Joseph Toole |
8 November 1889 |
1 January 1893 |
Dem |
Savannah, Missouri, U.S. |
| 2 |
John E. Rickards |
2 January 1893 |
3 January 1897 |
Rep |
Delaware City, Delaware |
| 3 |
Robert Burns Smith |
4 January 1897 |
7 January 1901 |
Dem |
Hickman County, Kentucky, U.S. |
| 4 |
Joseph Toole |
7 January 1901 |
1 April 1908 |
Dem |
Savannah, Missouri, U.S. |
| 5 |
Edwin L. Norris |
1 April 1908 |
5 January 1913 |
Dem |
Cumberland County, Kentucky |
| 6 |
Sam V. Stewart |
6 January 1913 |
2 January 1921 |
Dem |
Woodsfield, Ohio |
| 7 |
Joseph M. Dixon |
3 January 1921 |
4 January 1925 |
Rep |
Snow Camp, North Carolina |
| 8 |
John E. Erickson |
4 January 1925 |
13 March 1933 |
Dem |
Stoughton, Wisconsin |
| 9 |
Frank Henry Cooney |
13 March 1933 |
15 December 1935 |
Dem |
Norwood, Ontario, Canada |
| 10 |
Elmer Holt |
15 December 1935 |
4 January 1937 |
Dem |
Savannah, Missouri |
| 11 |
Roy E. Ayers |
4 January 1937 |
6 January 1941 |
Dem |
Lewistown, Montana |
| 12 |
Sam C. Ford |
6 January 1941 |
3 January 1949 |
Rep |
Albany, Kentucky |
| 13 |
John W. Bonner |
3 January 1949 |
5 January 1953 |
Dem |
Butte, Montana |
| 14 |
J. Hugo Aronson |
5 January 1953 |
2 January 1961 |
Rep |
Gällstad, Västergötland, Sweden |
| 15 |
Donald Grant Nutter |
2 January 1961 |
25 January 1962 |
Rep |
Lambert, Montana |
| 16 |
Tim M. Babcock |
25 January 1962 |
6 January 1969 |
Rep |
Littlefork, Minnesota, U.S. |
| 17 |
Forrest H. Anderson |
6 January 1969 |
1 January 1973 |
Dem |
Helena, Montana |
| 18 |
Thomas Lee Judge |
1 January 1973 |
5 January 1981 |
Dem |
Helena, Montana |
| 19 |
Ted Schwinden |
5 January 1981 |
2 January 1989 |
Dem |
Wolf Point, Montana, U.S. |
| 20 |
Stan Stephens |
2 January 1989 |
4 January 1993 |
Rep |
Calgary, Alberta, Canada |
| 21 |
Marc Racicot |
4 January 1993 |
1 January 2001 |
Rep |
Thompson Falls, Montana, U.S. |
| 22 |
Judy Martz |
1 January 2001 |
3 January 2005 |
Rep |
Big Timber, Montana, U.S. |
| 23 |
Brian Schweitzer |
3 January 2005 |
7 January 2013 |
Dem |
Havre, Montana, U.S. |
| 24 |
Steve Bullock |
7 January 2013 |
4 January 2021 |
Dem |
Missoula, Montana, U.S. |
| 25 |
Gregory Richard Gianforte |
4 January 2021 |
Incumbent |
Republican |
San Diego, California, United States |