James M. Wallace (1750 – December 17, 1823) was an American politician who served as a Democratic-Republican member of the U.S. House of Representatives for Pennsylvania's 3rd congressional district from 1815 to 1821. Wallace was born in Hanover Township, Pennsylvania. He pursued preparatory studies in Philadelphia, and participated in the American Revolutionary War as a member of Capt. James Roger's, Col. Timothy Green's, and Capt. William Brown's companies, and at the close of the war was major of a battalion of Associators.