Stephen Clark (February 22, 1792 – April 20, 1871) was an American politician who served as the 23rd Treasurer of New York State.
He was first elected by the New York State Legislature on February 8, 1842, when the Democratic majority removed the Whig commissioners.
He was legislated out of office again by the New York State Constitution of 1846, and left the Canal Commission at the end of 1847.
He was elected New York State Treasurer on the American Party ticket in November 1855, defeating both the Republican and Democratic candidates, and took office on January 1, 1856.
Clark died on April 20, 1871, and was buried at Albany Rural Cemetery in Menands, New York.