| Representative | Title | Presentation
of credentials | Termination
of mission | Appointed by |
|---|
| Robert W. Rinden | Chargé d'Affaires ad interim | February 13, 1959 | July 30, 1959 | Dwight D. Eisenhower |
| John H. Morrow | Ambassador Extraordinary and Plenipotentiary | July 30, 1959 | March 3, 1961 |
| William Attwood | Ambassador Extraordinary and Plenipotentiary | April 26, 1961 | May 27, 1963 | John F. Kennedy |
| James I. Loeb | Ambassador Extraordinary and Plenipotentiary | September 21, 1963 | September 21, 1965 |
| Robinson McIlvaine | Ambassador Extraordinary and Plenipotentiary | October 27, 1966 | September 25, 1969 | Lyndon B. Johnson |
| Albert W. Sherer, Jr. | Ambassador Extraordinary and Plenipotentiary | March 31, 1970 | December 21, 1971 | Richard Nixon |
| Terence A. Todman | Ambassador Extraordinary and Plenipotentiary | August 26, 1972 | January 3, 1975 |
| William C. Harrop | Ambassador Extraordinary and Plenipotentiary | May 29, 1975 | July 15, 1977 | Gerald Ford |
| Oliver S. Crosby | Ambassador Extraordinary and Plenipotentiary | December 9, 1977 | August 1, 1980 | Jimmy Carter |
| Allen C. Davis | Ambassador Extraordinary and Plenipotentiary | September 24, 1980 | May 29, 1983 |
| James D. Rosenthal | Ambassador Extraordinary and Plenipotentiary | June 29, 1983 | July 6, 1986 | Ronald Reagan |
| William C. Mithoefer | Chargé d'Affaires ad interim | July 6, 1986 | October 10, 1987 |
| Samuel E. Lupo | Ambassador Extraordinary and Plenipotentiary | October 10, 1987 | May 22, 1990 |
| Dane F. Smith | Ambassador Extraordinary and Plenipotentiary | August 16, 1990 | July 21, 1993 | George H. W. Bush |
| Joseph A. Saloom | Ambassador Extraordinary and Plenipotentiary | September 9, 1993 | July 18, 1996 | Bill Clinton |
| Tibor P. Nagy | Ambassador Extraordinary and Plenipotentiary | October 10, 1996 | July 25, 1999 |
| Joyce Ellen Leader | Ambassador Extraordinary and Plenipotentiary | September 29, 1999 | July 7, 2000 |
| R. Barrie Walkley | Ambassador Extraordinary and Plenipotentiary | November 22, 2001 | February 10, 2004 | George W. Bush |
| Jackson McDonald | Ambassador Extraordinary and Plenipotentiary | September 29, 2004 | April 2, 2007 |
| Phillip Carter | Ambassador Extraordinary and Plenipotentiary | November 7, 2007 | August 19, 2008 |
| Patricia Moller | Ambassador Extraordinary and Plenipotentiary | March 26, 2010 | September 12, 2012 | Barack Obama |
| Alexander M. Laskaris | Ambassador Extraordinary and Plenipotentiary | September 28, 2012 | November 10, 2015 |
| Dennis B. Hankins | Ambassador Extraordinary and Plenipotentiary | November 25, 2015 | January 29, 2019 |
| Simon Henshaw | Ambassador Extraordinary and Plenipotentiary | March 4, 2019 | June 9, 2020 | Donald Trump |
| Troy D. Fitrell | Ambassador Extraordinary and Plenipotentiary | January 19, 2022 | January 20, 2025 | Joe Biden |
