United States Ambassador to Colombia Republic of Colombia Republic of Colombia

| Representative | Title | Presentation_of_Credentials | Termination_of_Mission | Appointed_by |
|---|---|---|---|---|
| Jefferson Caffery | Envoy Extraordinary and Minister Plenipotentiary | November 28, 1928 | May 20, 1933 | Calvin Coolidge |
| Sheldon Whitehouse | Envoy Extraordinary and Minister Plenipotentiary | December 6, 1933 | December 8, 1934 | Franklin D. Roosevelt |
| William Dawson | Envoy Extraordinary and Minister Plenipotentiary | May 6, 1935 | November 16, 1937 | Franklin D. Roosevelt |
| Spruille Braden | Ambassador Extraordinary and Plenipotentiary | February 15, 1939 | March 12, 1942 | Franklin D. Roosevelt |
| Arthur Bliss Lane | Ambassador Extraordinary and Plenipotentiary | April 30, 1942 | October 18, 1944 | Franklin D. Roosevelt |
| John C. Wiley | Ambassador Extraordinary and Plenipotentiary | December 16, 1944 | May 3, 1947 | Franklin D. Roosevelt |
| Willard L. Beaulac | Ambassador Extraordinary and Plenipotentiary | September 30, 1947 | June 29, 1951 | Harry S. Truman |