This is a list of United States Ambassadors to Trinidad and Tobago. The United States Embassy is located in Trinidad and Tobago's capital, Port of Spain, and was established there on August 31, 1962. The current ambassador is Beatrice Wilkinson Welters.
| Name | Background | Title | Appointment | Presentation of Credentials | Termination of Mission | Notes |
|---|---|---|---|---|---|---|
| William H. Christensen | Non-career appointee | Chargé d'Affaires ad interim | August 31, 1962 | August 31, 1962 | 1962 | |
| Robert G. 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 | |
| Lloyd I. Miller | Non-career appointee | Ambassador Extraordinary and Plenipotentiary | December 19, 1973 | February 8, 1974 | Left post May 23, 1975 | |
| Albert B. Fay | Non-career appointee | Ambassador Extraordinary and Plenipotentiary | February 4, 1976 | February 17, 1976 | Left post April 5, 1977 | |
| Richard K. Fox, Jr. | Foreign Service officer | Ambassador Extraordinary and Plenipotentiary | July 8, 1977 | July 21, 1977 | Left post July 16, 1979 | |
| Irving G. Cheslaw | Foreign Service officer | Ambassador Extraordinary and Plenipotentiary | September 28, 1979 | October 18, 1979 | Left post September 1, 1981 | |
| Melvin Herbert Evans | Non-career appointee | Ambassador Extraordinary and Plenipotentiary | December 1, 1981 | January 1, 1982 | Died at Saint Thomas, U.S. Virgin Islands, on November 27, 1984 | |
| Sheldon J. Krys | Foreign Service officer | Ambassador Extraordinary and Plenipotentiary | July 12, 1985 | August 19, 1985 | Left post April 24, 1988 | |
| Charles A. Gargano | Non-career appointee | Ambassador Extraordinary and Plenipotentiary | July 15, 1988 | August 9, 1988 | Left post June 7, 1991 | |
| Sally G. Cowal | Foreign Service officer | Ambassador Extraordinary and Plenipotentiary | August 2, 1991 | August 27, 1991 | Left post August 22, 1994 | |
| Brian J. Donnelly | Non-career appointee | Ambassador Extraordinary and Plenipotentiary | July 5, 1994 | September 5, 1994 | Left post September 24, 1997 | |
| Edward E. Shumaker III | Non-career appointee | Ambassador Extraordinary and Plenipotentiary | October 24, 1997 | January 13, 1998 | Left post March 31, 2001 | |
| Roy L. Austin | Non-career appointee | Ambassador Extraordinary and Plenipotentiary | October 1, 2001 | December 6, 2001 | December 18, 2009 | |
| Beatrice Wilkinson Welters | Non-career appointee | Ambassador Extraordinary and Plenipotentiary | April 27, 2010 | 2010 | Incumbent |
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