John Lumley (c. 1703–1739) was a British Army officer, courtier and politician who sat in the House of Commons from 1728 to 1739.
Lumley was the sixth son of Richard Lumley, 1st Earl of Scarbrough and his wife Frances Jones, daughter of Sir Henry Jones of Oxfordshire.
At the 1727 British general election, he stood for Arundel on the family interest but came bottom of the poll.
He was returned unopposed as MP for Arundel at the 1734 British general election.
Lumley abstained from voting on the Spanish convention in October 1739.