William Purefoy (c. 1580 – 8 Sep 1659) was an English politician who sat in the House of Commons of England variously between 1628 and 1659.
He supported the Parliamentary cause in the English Civil War and was one of the regicides of King Charles I of England.
[1] Born into a long-established Warwickshire family, Purefoy was educated at Cambridge University and Gray's Inn.
He travelled extensively on the continent of Europe, returning with extreme Calvinist views.
[3] He held a command in the parliamentary army in 1648 and was a member of the Council of State throughout the period of the Commonwealth.