John Martin (1724–1794) was a British politician who sat in the House of Commons from 1754 to 1761. Martin was the eldest son of John Martin MP banker, of Overbury Court, Worcestershire and Lombard Street and his wife Catherine Jackson, daughter of Joseph Jackson of Sneyd Park, Gloucestershire. He was not a partner in the family banking house. Martin married Judith Bromley, daughter of William Bromley of Ham Court, Worcestershire on 3 December 1761. In 1767 he succeeded to his father's estates. He died on 28 May 1794.