Thomas Wyndham (c. 1686 – 12 December 1752) of Clearwell Court, Gloucestershire, Dunraven Castle, Glamorgan, and Cromer, Norfolk, was a British lawyer and politician who sat in the House of Commons from 1721 to 1734. For the rest of his life Wyndham looked after his estates.. These were augmented when he succeeded his brother to the family estate in Cromer in 1745. He died on 12 December 1752. He had two sons by his first wife, and three sons by his second wife. His eldest son by his second wife, Charles, became MP for Glamorgan.