Template:Chronological list of United States Secretaries of the Army
| No. | Image | Name | Term of office | President(s) served under |
|---|---|---|---|---|
| 1 | 
|
Kenneth Claiborne Royall | September 18, 1947 – April 27, 1949 | Harry S. Truman |
| 2 | 
|
Gordon Gray[1] | April 28, 1949 – April 12, 1950 | |
| 3 | 
|
Frank Pace | April 12, 1950 – January 20, 1953 | |
| – | 
|
Earl D. Johnson Acting[1] |
January 20, 1953 – February 4, 1953 | Dwight D. Eisenhower |
| 4 | 
|
Robert T. Stevens | February 4, 1953 – July 21, 1955 | |
| 5 | 
|
Wilber M. Brucker | July 21, 1955 – January 19, 1961 | |
| 6 | 
|
Elvis Jacob Stahr Jr. | January 24, 1961 – June 30, 1962 | John F. Kennedy |
| 7 | 
|
Cyrus Roberts Vance | July 5, 1962 – January 21, 1964 | John F. Kennedy, Lyndon B. Johnson |
| 8 | 
|
Stephen Ailes | January 28, 1964 – July 1, 1965 | Lyndon B. Johnson |
| 9 | 
|
Stanley R. Resor | July 2, 1965 – June 30, 1971 | Lyndon B. Johnson, Richard Nixon |
| 10 | 
|
Robert F. Froehlke | July 1, 1971 – May 14, 1973 | Richard Nixon |
| 11 | 
|
Howard H. Callaway | May 15, 1973 – July 3, 1975 | Richard Nixon, Gerald Ford |
| – | 
|
Norman R. Augustine Acting[1] |
July 3, 1975 – August 5, 1975 | Gerald Ford |
| 12 | 
|
Martin R. Hoffmann | August 5, 1975 – January 20, 1977 | |
| 13 | 
|
Clifford Alexander Jr. | February 14, 1977 – January 20, 1981 | Jimmy Carter |
| 14 | 
|
Percy A. Pierre Acting[1] |
January 21, 1981 – January 29, 1981 | Ronald Reagan |
| 15 | 
|
John O. Marsh Jr. | January 30, 1981 – August 14, 1989 | Ronald Reagan, George H. W. Bush |
| 16 | 
|
Michael P. W. Stone | August 14, 1989 – January 20, 1993 | George H. W. Bush |
| – | 
|
John W. Shannon Acting[2] |
January 20, 1993 – August 26, 1993 | Bill Clinton |
| – | 
|
Gordon R. Sullivan Acting[3][4] |
August 28, 1993 – November 21, 1993 | |
| 17 | 
|
Togo D. West Jr. | November 22, 1993 – May 4, 1997 | |
| – | 
|
Robert M. Walker Acting[1] |
December 2, 1997 – July 1, 1998 | |
| 18 | 
|
Louis Caldera | July 2, 1998 – January 20, 2001 | |
| – | 
|
Gregory R. Dahlberg Acting |
January 20, 2001 – March 4, 2001 | George W. Bush |
| – | 
|
Joseph W. Westphal Acting[1] |
March 5, 2001 – May 31, 2001 | |
| 19 | 
|
Thomas E. White | May 31, 2001 – May 9, 2003 | |
| – | 
|
Les Brownlee Acting |
May 10, 2003 – November 18, 2004 | |
| 20 | 
|
Francis J. Harvey | November 19, 2004 – March 9, 2007 | |
| 21 | 
|
Pete Geren | March 9, 2007 – September 21, 2009 | George W. Bush, Barack Obama |
| 22 | 
|
John M. McHugh | September 21, 2009 – November 1, 2015 | Barack Obama |
| – | 
|
Eric Fanning Acting |
November 3, 2015 – January 11, 2016 | |
| – | 
|
Patrick Murphy Acting |
January 11, 2016 – May 17, 2016 | |
| 23 |
|
Eric Fanning | May 17, 2016 – January 20, 2017 | |
| – | 
|
Robert Speer Acting |
January 20, 2017 – August 2, 2017 | Donald Trump |
| – | 
|
Ryan D. McCarthy Acting |
August 2, 2017 – November 20, 2017 | |
| 24 | 
|
Mark Esper | November 20, 2017 – July 23, 2019[5] | |
| – |
|
Ryan D. McCarthy Acting |
June 24, 2019 – July 15, 2019 | |
| 25 | 
|
Ryan D. McCarthy | July 23, 2019 – January 20, 2021 Acting: July 23, 2019 – September 30, 2019 | |
| – | 
|
John E. Whitley Acting |
January 20, 2021 – May 28, 2021 | Joe Biden |
| 26 | 
|
Christine Wormuth | May 28, 2021 – present |
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