Former attorneys general are listed in reverse chronological order.
| Former Attorney General | Term of Service |
|---|---|
| Cynthia Coffman | 2015 – 2019 |
| John W. Suthers | 2005 – 2014 |
| Ken Salazar | 1999 – 2005 |
| Gale A. Norton | 1991 – 1999 |
| L. Duane Woodard | 1983 – 1991 |
| J.D. MacFarlane | 1975 – 1982 |
| John P. Moore | 1972 – 1974 |
| Duke W. Dunbar | 1951 – 1972 |
| John W. Metzger | 1949 – 1950 |
| H. Lawrence Hinkley | 1945 – 1949 |
| Gail L. Ireland | 1941 – 1945 |
| Byron G. Rogers | 1936 – 1940 |
| Paul P. Prosser | 1933 – 1936 |
| Clarence L. Ireland | 1931 – 1932 |
| John S. Underwood | 1930 – 1931 |
| Robert E. Winbourn | 1929 – 1930 |
| William Boatright | 1925 – 1928 |
| Wayne C. Williams | 1924 – 1925 |
| Russel W. Fleming | 1923 – 1924 |
| Victor E. Keyes | 1919 – 1922 |
| Leslie E. Hubbard | 1917 – 1918 |
| Fred Farrar | 1913 – 1916 |
| Benjamin Griffith | 1911 – 1912 |
| John T. Barnett | 1909 – 1910 |
| William H. Dickson | 1907 – 1908 |
| Nathan C. Miller | 1903 – 1906 |
| Charles C. Post | 1901 – 1902 |
| David M. Campbell | 1899 – 1900 |
| Byron L. Carr | 1895 – 1898 |
| Eugene Engley | 1893 – 1894 |
| Joseph H. Maupin | 1891 – 1892 |
| Samuel W. Jones | 1889 – 1890 |
| Alvin Marsh | 1887 – 1888 |
| Theodore H. Thomas | 1885 – 1886 |
| David F. Urmy | 1883 – 1884 |
| Charles H. Toll | 1881 – 1882 |
| Charles W. Wright | 1879 – 1880 |
| A. J. Sampson | 1877 – 1878 |
| Office filled by US Attorney due to lack of territorial funding | 1873 – 1877 |
| Henry C. Thatcher | 1869 – 1873 |
| George W. Chamberlain | 1865 – 1869 |
| Samuel E. Brown | 1862 – 1865 |
| James E. Dalliba | 1861 – 1862 |