Matthew Chitty St Quintin (c. 1701–1783), of Harpham, Yorkshire. was a British politician who sat in the House of Commons from 1728 to 1734 St Quintin was the son of Hugh St Quintin, merchant of Amsterdam, and his wife Catherine Chitty, daughter of Matthew Chitty. He was educated at Greenwich and at Dr Newcome’s academy at Hackney and was admitted at Sidney Sussex College, Cambridge on 17 April 1718, aged 16. He was admitted at Middle Temple on 18 April 1718. St Quintin died unmarried on 8 May 1783.