Samantar v. Yousuf, 560 U.S. 305 (2010), is a decision by the United States Supreme Court concerning whether Muhammad Ali Samatar, prime minister of Somalia from 1987 to 1990, could be sued in United States courts for allegedly overseeing killings and other atrocities. Samatar then lived in Virginia, and some of his victims had sued him under the Torture Victim Protection Act of 1991.