Sir Thomas Chaworth (died 1459) was an English landowner and Member of Parliament.
He was the son and heir of Sir William Chaworth of Wiverton and Alfreton. He succeeded his father in 1398 and was knighted in 1401.
From 1401 he served on many public commissions throughout his life.
He was appointed Sheriff of Nottinghamshire and Derbyshire for 1403, 1417 and 1423. He was Sheriff of Lincolnshire for 1408 and 1418.
He was elected to Parliament as knight of the shire (MP) for Nottinghamshire in 1406, followed by a term as MP for Derbyshire in 1413, after which he was again returned for Nottinghamshire several times between 1417 and 1445.
He was a Justice of the Peace for Nottinghamshire from 1404 to 1417, 1419 to 1424 and 1429 to his death and for Derbyshire from 1444 to his death.
He married twice:firstly Nicola, daughter of Sir Reynold Braybrooke, with whom he had a daughter and secondly Isabel, the daughter of Sir Thomas Aylesbury, and coheiress of Hugh Aylesbury of Milton Keynes, Buckinghamshire, with whom he had several sons and a daughter. He was succeeded by his eldest son William.