James Clark McReynolds was an American lawyer and judge from Tennessee who served as United States Attorney General under President Woodrow Wilson and as an associate justice of the Supreme Court of the United States. He served on the Court from 1914 to his retirement in 1941. McReynolds is best known today for his sustained opposition to the domestic programs of President Franklin D. Roosevelt and his personality, which was widely viewed negatively and included documented elements of overt antisemitism and racism.

An associate justice of the Supreme Court of the United States is a justice of the Supreme Court of the United States, other than the chief justice of the United States. The number of associate justices is eight, as set by the Judiciary Act of 1869.