Simon Ernest Sobeloff was an American attorney and jurist, who served as Solicitor General of the United States, as Chief Judge of the Court of Appeals of Maryland, and as a United States circuit judge of the United States Court of Appeals for the Fourth Circuit.

The solicitor general of the United States, the fourth-highest-ranking official within the United States Department of Justice, represents the federal government in cases before the U.S. Supreme Court. Elizabeth Prelogar has served in the role since October 28, 2021.