Sir Thomas Powys (1649 – 4 April 1719), of Henley, near Ludlow, Shropshire and Lilford cum Wigsthorpe, Northamptonshire, was an English lawyer, judge and Tory politician, who sat in the English and British House of Commons between 1701 and 1713. He was Attorney General to King James II and was chief prosecutor at the trial of the Seven Bishops in June 1688. He served as Justice of the King's Bench from 1713 to 1714, but was dismissed.