Sir Edward Bayntun (2 December 1618 – 26 July 1679) was an English politician who sat in the House of Commons variously between 1640 and 1679. Bayntun was the son of Sir Edward Bayntun of Bromham, Wiltshire and his wife Elizabeth Maynard, daughter of Sir Henry Maynard of Eaton, Essex. He matriculated at St John's College, Oxford on 15 January 1636, aged 17. He was a student of Lincoln's Inn in 1638. Bayntun died at the age of 60 . Bayntun married Stuarta Thynne, daughter of Sir Thomas Thynne. Their son Henry was also an MP in Wiltshire.