Thomas Pitt, English businessman and politician (d. 1726)
Thomas Pitt (5 July 1653 – 28 April 1726) of Blandford St Mary in Dorset, later of Stratford in Wiltshire and of Boconnoc in Cornwall, known during life commonly as Governor Pitt, as Captain Pitt, or posthumously, as "Diamond" Pitt was an English merchant involved in trade with India who served as President of Madras and six times as a Member of Parliament. He was the grandfather of William Pitt, 1st Earl of Chatham ("Pitt the Elder") and was great-grandfather of Pitt the Younger, both prime ministers of Great Britain.