• Lieutenant Colonel
Earl Hancock Ellis, December 1920 – October 1921 • Unknown. November 1921 – March 1939 •
Major David A. Stafford, April 1939 – August 1940 •
Captain William B. Steiner, August–October 1940 • Major
Harold D. Harris, October 1940 – June 1942 •
Lieutenant Colonel John C. McQueen, June 1942 – September 1943 • Major John W. Scott, Jr., September 1943 – January 1944 • Lieutenant Colonel George J. Clark, January–September 1944 • Lieutenant Colonel Edmond J. Buckley, September–December 1944 •
Colonel James J. Keating, December 1944 – December 1945 • Colonel Edmond J. Buckley, December 1945 – February 1946 • Lieutenant Colonel Henry H. Crockett, February–April 1946 • Colonel Walter S. Osipoff, April 1946 – March 1948 • Colonel Albert Arsenault, March–June 1948 • Colonel Floyd R. Moore, August 1951 – July 1954 • Colonel Wilber J. McKenny, July 1954 – August 1955 • Colonel Robert A. Black, September 1955 – August 1956 • Colonel Robert E. Hommel, September 1956 – June 1957 • Colonel
Bankson T. Holcomb Jr., July–September 1957 •
Brigadier General James M. Masters, Sr., September 1957 – August 1960 • Colonel John F. Carey, August 1960 – June 1961 •
Major General Carl A. Youngdale, June 1961 – July 1962 • Major General
Robert E. Cushman, Jr., July 1962 – June 1964 • Colonel Randolph Carter Berkeley, Jr., June 1964 – June 1965 • Major General
Michael P. Ryan, June 1965 – March 1966 • Colonel Robert A. Mercant, Jr., March–August 1966 • Major General
William R. Collins, August–October 1966 • Colonel Robert A. Merchant, Jr., October 1966 – June 1967 • Colonel John S. Canton, July 1967 – August 1967 • Major General
Carl W. Hoffman, August–December 1967 • Colonel John S. Canton, January–November 1968 • Colonel Stone W. Quillian, November 1968 – September 1972 • Colonel Lyle V. Tope, October 1972 – September 1973 • Colonel William Wentworth, October 1973 – August 1975 • Colonel Charles T. Williamson, August 1975 – December 1977 • Colonel John J. Donahue, January 1977 – August 1979 • Major General
Clyde D. Dean, August 1979 – March 1981 • Brigadier General Harry T. Hagaman, April 1981 – June 1982 • Brigadier General George H. Leach, June 1982 – May 1983 • Brigadier General Lloyd W. Smith, May 1983 – June 1985 • Brigadier General
Frank J. Breth, June 1985 – June 1988 • Brigadier General
James D. Beans, July 1988 – July 1989 • Major General John A. Studds, August 1989 – June 1991 • Major General
Harry W. Jenkins, June 1991 – April 1993 • Major General
Paul Van Riper, April 1993 – July 1995 • Major General David A. Richwine, June 1995 – July 1997 • Major General
Joseph T. Anderson, July 1997 – March 1998 • Brigadier General Robert M. Shea, July 1998 – July 2000 • Brigadier General
Michael E. Ennis, August 2000 – January 2004 • SES
Michael H. Decker, January 2004 – June 2005 • Brigadier General Richard M. Lake, June 2005 – July 2009 • Brigadier General
Vincent R. Stewart, July 2009 – July 2013 • Brigadier General
Michael Groen, July 2013 – June 2016 • Brigadier General
William H. Seely III, June 2016 – May 2017 • Brigadier General
Dimitri Henry, May 2017 – August 2019 • Brigadier General
Melvin G. Carter, August 2019 – May 2021 • Major General
William H. Seely III, August 2020 – June 2023 • LtGen
Matthew Glavy, June 2023 – July 2024 • LtGen
Melvin G. Carter, August 2024 – June 2025 • MajGen Mark A. Cunningham, June 2025 – present ==Marine Corps Intelligence Units==