Tom C. Clark, American lawyer and judge, 59th Attorney General of the United States (died 1977)

Thomas Campbell Clark was an American lawyer who served as the 59th United States attorney general from 1945 to 1949 and as Associate Justice of the Supreme Court of the United States from 1949 to 1967.

The United States attorney general is the head of the United States Department of Justice and serves as the chief law enforcement officer of the federal government. The attorney general acts as the principal legal advisor to the president of the United States on all legal matters. The attorney general is also a statutory member of the Cabinet of the United States and a member of the United States National Security Council. Additionally, the attorney general is seventh in the presidential line of succession.