Samuel James Ervin IV (born November 18, 1955) is a North Carolina lawyer and jurist who has served on the North Carolina Supreme Court since January 1, 2015. He previously served as a state Utilities Commissioner and as a judge of the North Carolina Court of Appeals. He is the grandson of U.S. Senator Sam J. Ervin, Jr. and the son of U.S. Court of Appeals for the Fourth Circuit Judge Sam J. Ervin III.