Sir Thomas de Felton (died 2 April 1381) was an English landowner, military knight, envoy and administrator. He fought at the Battle of Crécy in 1346, and the Capture of Calais in 1347. He was also at the Battle of Poitiers in 1356. A recurrent figure in the "Chronicles" of Jean Froissart, he was a signatory to the Treaty of Brétigny in 1360. In 1362 he was appointed Seneschal of Aquitaine. He accompanied Edward the Black Prince on his Spanish campaign. He was taken prisoner by Henry of Trastámara's forces in 1367. In 1372 he was appointed joint-governor of Aquitaine and seneschal of Bordeaux. He caused Guillaume de Pommiers and his secretary to be beheaded for treason in 1377. He was invested a Knight of the Garter in 1381.