| Name | Background | Title | Appointment | Presentation of credentials | Termination of mission | Notes |
|---|
| William H.
Christensen | Non-career appointee | Chargé d'Affairesad interim | August 31, 1962 | August 31, 1962 | December 1, 1962 |
| Robert Graham Miner | Foreign Service officer | Ambassador Extraordinary and Plenipotentiary | October 23, 1962 | December 1, 1962 | Left post September 18, 1967 |
| William A.
Costello | Non-career appointee | Ambassador Extraordinary and Plenipotentiary | September 13, 1967 | October 26, 1967 | Left post March 17, 1969 |
| J. Fife Symington Jr. | Non-career appointee | Ambassador Extraordinary and Plenipotentiary | July 8, 1969 | September 11, 1969 | Left post November 14, 1971 |
| Anthony D.
Marshall | Non-career appointee | Ambassador Extraordinary and Plenipotentiary | February 15, 1972 | February 22, 1972 | Left post December 27, 1973 | An earlier nomination of December 7,
|