George Trenchard (c. 1684–1758), of Lytchett Matravers, near Poole, Dorset, was a British landowner and Whig politician who sat in the House of Commons for 35 years between 1713 and 1754. Trenchard was the eldest son of Sir John Trenchard and his wife Philippa Speke, daughter of George Speke of White Lackington, Somerset. He joined the army and was an ensign in the Earl of Monmouth's Foot in 1693. In 1695 he succeeded to the estates of his father and joined Colonel Henry Mordaunt's Foot. He left the army by 1702 when he was admitted at Middle Temple on 21 April 1702. He was admitted at Jesus College, Cambridge on 12 May 1705. He married his cousin Mary Trenchard (died 1740), daughter of Thomas Trenchard, She was the heiress of Wolveton, Dorset, which, combined with the property he had inhe