List of United States Ambassadors to Brazil List of United States Ambassadors to Brazil List of United States Ambassadors to Brazil

| Representative | Title | Presentation_of_Credentials | Termination_of_Mission | Appointed_by |
|---|---|---|---|---|
| Ellis O. Briggs | Ambassador Extraordinary and Plenipotentiary | July 24, 1956 | April 29, 1959 | Dwight D. Eisenhower |
| Clare Boothe Luce | Ambassador Extraordinary and Plenipotentiary | April 29, 1959 | May 1, 1959 | Dwight D. Eisenhower |
| John M. Cabot | Ambassador Extraordinary and Plenipotentiary | July 22, 1959 | August 17, 1961 | Dwight D. Eisenhower |
| Lincoln Gordon | Ambassador Extraordinary and Plenipotentiary | October 19, 1961 | February 25, 1966 | John F. Kennedy |
| John W. Tuthill | Ambassador Extraordinary and Plenipotentiary | June 30, 1966 | January 9, 1969 | Lyndon B. Johnson |
| Charles Burke Elbrick | Ambassador Extraordinary and Plenipotentiary | July 14, 1969 | May 7, 1970 | Richard Nixon |
| William M. Rountree | Ambassador Extraordinary and Plenipotentiary | November 16, 1970 | May 30, 1973 | Richard Nixon |