Former attorneys general are listed in reverse chronological order.
| Former Attorney General | Term of Service |
|---|---|
| Marty Jackley | 2009 – 2019 |
| Larry Long | 2003 – 2009 |
| Mark Barnett | 1991 – 2003 |
| Roger Tellinghuisen | 1987 – 1991 |
| Mark Meierhenry | 1979 – 1987 |
| William J. Janklow | 1975 – 1979 |
| Kermit A. Sande | 1973 – 1975 |
| Gordon J. Mydland | 1969 – 1973 |
| Frank L. Farrar | 1963 – 1969 |
| Albert C. Miller | 1961 – 1963 |
| Parnell J. Donahue | 1959 – 1961 |
| Phil Sauders | 1955 – 1959 |
| Ralph A Dunham | 1951 – 1955 |
| Sigurd Anderson | 1947 – 1951 |
| George T. Mickelson | 1943 – 1947 |
| Leo A. Temmey | 1939 – 1943 |
| Clair Roddewig | 1937 – 1939 |
| Walter Conway | 1933 – 1937 |
| Merrell Q. Sharpe | 1929 – 1933 |
| Buell F. Jones | 1923 – 1929 |
| Byron S. Payne | 1919 – 1923 |
| Clarence C. Caldwell | 1915 – 1919 |
| Royal C. Johnson | 1911 – 1915 |
| S.Wesley Clark | 1907 – 1911 |
| Philo Hall | 1903 – 1907 |
| Adolphus W. Burtt | 1902 – 1903 |
| John L. Pyle | 1899 – 1902 |
| Melvin Grigsby | 1897 – 1899 |
| Coe I. Crawford | 1893 – 1897 |
| Robert Dollard | 1889 – 1893 |
