List of ambassadors of the United States to Saint Lucia

Ambassador of the United States to Saint Lucia
Seal of the United States Department of State
Flag of a United States ambassador
Incumbent
Karin B. Sullivan
Chargé d'affaires
since January 20, 2025
NominatorThe president of the United States
Inaugural holderSally Angela Shelton
as Envoy Extraordinary and Minister Plenipotentiary
FormationJune 11, 1979
WebsiteU.S. Embassy - Bridgetown

The United States ambassador to Saint Lucia is the official representative of the government of the United States to the government of Saint Lucia. The ambassador is the United States Ambassador to Barbados and the Eastern Caribbean, resident in Bridgetown, Barbados, and is concurrently the ambassador to Antigua and Barbuda, Barbados, Dominica, Grenada, St. Kitts and Nevis, and St. Vincent and the Grenadines.

No U.S. mission has ever been established at Castries. All diplomatic functions are handled out of the U.S. Embassy at Bridgetown, Barbados, where the U.S. Ambassador to Saint Lucia is resident.