List of ambassadors of the United States to Mongolia

Ambassador of the United States to Mongolia
Seal of the United States Department of State
Flag of a United States ambassador
since November 17, 2022
NominatorThe president of the United States
AppointerThe president
with Senate advice and consent
Inaugural holderSteven Mann
as Chargé d'Affaires ad interim
FormationApril 17, 1988
WebsiteU.S. Embassy - Ulaanbaatar

This is a list of United States ambassadors to Mongolia. The United States established diplomatic relations with then-People's Republic of Mongolia on January 27, 1987. The embassy in Ulaanbaatar was opened Apr 17, 1988, with Steven Mann as Chargé d'Affaires ad interim. Richard Llewellyn Williams was the first ambassador to the Republic, and resided in the District of Columbia. The U.S. maintains its embassy in Ulaanbaatar.