Bureau of Investigation chiefs and directors (1908–1935)
- Stanley Finch July 26, 1908 – April 30, 1912
- A. Bruce Bielaski April 30, 1912 – February 10, 1919
- William E. Allen February 10, 1919 – June 30, 1919
- William J. Flynn July 1, 1919 – August 21, 1921
- William J. Burns August 22, 1921 – May 10, 1924
- J. Edgar Hoover May 10, 1924 – June 30, 1935
Federal Bureau of Investigation directors (1935–present)
- J. Edgar Hoover July 1, 1935 – May 2, 1972
- Clyde Tolson May 2, 1972 – May 3, 1972
- L. Patrick Gray May 3, 1972 – April 27, 1973
- William Ruckelshaus April 30, 1973 – July 9, 1973
- Clarence M. Kelley July 9, 1973 – February 15, 1978
- James B. Adams February 15, 1978 – February 23, 1978
- William H. Webster February 23, 1978 – May 25, 1987
- John E. Otto May 26, 1987 – November 2, 1987
- William S. Sessions November 2, 1987 – July 19, 1993
- Floyd I. Clarke July 19, 1993 – September 1, 1993
- Louis Freeh September 1, 1993 – June 25, 2001
- Thomas J. Pickard June 25, 2001 – September 4, 2001
- Robert Mueller September 4, 2001 – September 4, 2013
- James Comey September 4, 2013 – May 9, 2017
- Andrew McCabe May 9, 2017 – August 2, 2017
- Christopher A. Wray August 2, 2017 – Present
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