Thomas Pitt (c. 1705 – 17 July 1761), of Boconnoc, Cornwall, was a British landowner and politician who sat in the House of Commons between 1727 and 1761. He was Lord Warden of the Stannaries from 1742 to 1751. Pitt was the grandson and namesake of the better known Thomas Pitt and the son of Robert Pitt, MP, of Boconnoc, near Lostwithiel in Cornwall. He was the elder brother of William Pitt the Elder. He succeeded his father in 1727 to his estates, including Boconnoc.