James Montgomery Beck was an American lawyer, politician, and author from Philadelphia, Pennsylvania. He was a member of the Republican Party, who served as U.S. Solicitor General and U.S. Representative from Pennsylvania.

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.