List of ambassadors of the United States to East Timor

Ambassador of the United States to Timor-Leste
Seal of the United States Department of State
Incumbent Donna Ann Welton since July 16, 2024
Nominator	The President of the United States
Appointer	The President with Senate advice and consent
Inaugural holder	Shari Villarosa as Chargé d'Affaires ad interim
Formation	May 20, 2002
Website	U.S. Embassy - Dili

The diplomatic post of United States Ambassador to East Timor (now Timor-Leste) was created after the formalization of the independence of Timor-Leste from Indonesia on May 20, 2002. The United States recognized the new nation immediately, and an embassy was opened in Dili.