Sir Thomas Bilson (1592 – c. 1647) was an English politician, serving as MP for Winchester. Bilson was the oldest son of Thomas Bilson, Bishop of Winchester and his wife Anne, daughter of Thomas Mill MP. He was baptised on 29 February 1592. He was educated at New College, Oxford, matriculating in 1606; entered Lincoln's Inn in 1609; and accompanied ambassador Sir Stephen Lesieur to Florence in 1609. He was elected MP for Winchester in the Addled Parliament of 1614. Bilson drew up his will on 24 August 1647. His date of death is uncertain: the will was not proved until 1661.