John W. Carter (September 10, 1792 – June 20, 1850) was a U.S. Representative from South Carolina.
He commenced practice in Camden, South Carolina.
Carter was elected as a Democratic-Republican to the Seventeenth Congress to fill the vacancy caused by the resignation of James Blair.
He was reelected as a Jackson Republican to the Eighteenth Congress and as a Jacksonian to the Nineteenth and the Twentieth Congresses and served from December 11, 1822, to March 3, 1829.
He resumed the practice of law in Camden and moved to Georgetown, D.C., in 1836.