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 |
|---|---|---|---|---|
| John Hugh Crimmins | Ambassador Extraordinary and Plenipotentiary | August 13, 1973 | February 25, 1978 | Richard Nixon |
| Robert M. Sayre | Ambassador Extraordinary and Plenipotentiary | June 8, 1978 | September 19, 1981 | Jimmy Carter |
| Langhorne A. Motley | Ambassador Extraordinary and Plenipotentiary | October 6, 1981 | July 6, 1983 | Ronald Reagan |
| Diego C. Asencio | Ambassador Extraordinary and Plenipotentiary | December 20, 1983 | February 28, 1986 | Ronald Reagan |
| Harry W. Shlaudeman | Ambassador Extraordinary and Plenipotentiary | August 5, 1986 | May 14, 1989 | Ronald Reagan |
| Richard Huntington Melton | Ambassador Extraordinary and Plenipotentiary | December 12, 1989 | December 16, 1993 | George H. W. Bush |
| Melvyn Levitsky | Ambassador Extraordinary and Plenipotentiary | June 1, 1994 | June 17, 1998 | Bill Clinton |