.
Secretaries of the Interior
| Name |
Term of Office |
President(s) served under |
|---|
| Thomas Ewing | March 8, 1849 - July 22, 1850 | Zachary Taylor, Millard Fillmore |
| Thomas McKean Thompson McKennan | August 15, 1850 - August 26, 1850 | Millard Fillmore |
| Alexander Hugh Holmes Stuart | September 14, 1850 - March 7, 1853 | Millard Fillmore |
| Robert McClelland | March 8, 1853 - March 9, 1857 | Franklin Pierce |
| Jacob Thompson | March 10, 1857 - January 8, 1861 | James Buchanan |
| Caleb Blood Smith | March 5, 1861 - December 31, 1862 | Abraham Lincoln |
| John Palmer Usher | January 1, 1863 - May 15, 1865 | Abraham Lincoln |
| James Harlan | May 16, 1865 - August 31, 1866 | Andrew Johnson |
| Orville Hickman Browning | September 1, 1866 - March 4, 1869 | Andrew Johnson |
| Jacob Dolson Cox | March 5, 1869 - October 31, 1870 | Ulysses S. Grant |
| Columbus Delano | November 1, 1870 - September 30, 1875 | Ulysses S. Grant |
| Zachariah Chandler | October 19, 1875 - March 11, 1877 | Ulysses S. Grant |
| Carl Schurz | March 12, 1877 - March 7, 1881 | Rutherford B. Hayes |
| Samuel J. Kirkwood | March 8, 1881 - April 17, 1882 | James A. Garfield, Chester A. Arthur |
| Henry Moore Teller | April 18, 1882 - March 3, 1885 | Chester A. Arthur |
| Lucius Quintus Cincinnatus Lamar | March 6, 1885 - January 10, 1888 | Grover Cleveland |
| William Freeman Vilas | January 16, 1888 - March 6, 1889 | Grover Cleveland |
| John Willock Noble | March 7, 1889 - March 6, 1893 | Benjamin Harrison |
| Michael Hoke Smith | March 6, 1893 - September 1, 1896 | Grover Cleveland |
| David Rowland Francis | September 3, 1896 - March 5, 1897 | Grover Cleveland |
| Cornelius Newton Bliss | March 6, 1897 - February 19, 1899 | William McKinley |
| Ethan Allen Hitchcock | February 20, 1899 - March 4, 1907 | William McKinley, Theodore Roosevelt |
| James Rudolph Garfield | March 5, 1907 - March 5, 1909 | Theodore Roosevelt, William Howard Taft |
| Richard Achilles Ballinger | March 6, 1909 - March 12, 1911 | William Howard Taft |
| Walter Lowrie Fisher | March 13, 1911 - March 5, 1913 | William Howard Taft |
| Franklin Knight Lane | March 6, 1913 - February 29, 1920 | Woodrow Wilson |
| John Barton Payne | March 15, 1920 - March 4, 1921 | Woodrow Wilson |
| Albert Bacon Fall | March 5, 1921 - March 4, 1923 | Warren G. Harding |
| Hubert Work | March 5, 1923 - July 24, 1928 | Warren G. Harding, Calvin Coolidge |
| Roy Owen West | July 25, 1928 - March 4, 1929 | Calvin Coolidge |
| Ray Lyman Wilbur | March 5, 1929 - March 4, 1933 | Herbert Hoover |
| Harold LeClair Ickes | March 4, 1933 - February 15, 1946 | Franklin D. Roosevelt, Harry S. Truman |
| Julius Albert Krug | March 18, 1946 - December 1, 1949 | Harry S. Truman |
| Oscar Littleton Chapman | December 1, 1949 - January 20, 1953 | Harry S. Truman |
| Douglas McKay | January 21, 1953 - April 15, 1956 | Dwight D. Eisenhower |
| Fred Andrew Seaton | June 8, 1956 - January 20, 1961 | Dwight D. Eisenhower |
| Stewart Lee Udall | January 21, 1961 - January 20, 1969 | John F. Kennedy, Lyndon Johnson |
| Walter J. Hickel | January 24, 1969 - November 25, 1970 | Richard Nixon |
| Rogers Clark Ballard Morton | January 29, 1971 - April 30, 1975 | Richard Nixon, Gerald Ford |
| Stanley K. Hathaway | June 12, 1975 - October 9, 1975 | Gerald Ford |
| Thomas S. Kleppe | October 17, 1975 - January 20, 1977 | Gerald Ford |
| Cecil B. Andrus | January 23, 1977 - January 20, 1981 | Jimmy Carter |
| James G. Watt | January 23, 1981 - November 8, 1983 | Ronald Reagan |
| William Patrick Clark | November 18, 1983 - February 7, 1985 | Ronald Reagan |
| Donald Paul Hodel | February 8, 1985 - January 20, 1989 | Ronald Reagan |
| Manuel Lujan, Jr | February 3, 1989 - January 20, 1993 | George H. W. Bush |
| Bruce Babbitt | January 22, 1993 - January 2, 2001 | Bill Clinton |
| Gale Ann Norton | January 31, 2001 - present | George W. Bush |