Sir Robert Parkhurst (1603 – August 1651) was an English politician who sat in the House of Commons between 1625 and 1651. He supported the Parliamentary cause in the English Civil War. Parkhurst was the son of Sir Robert Parkhurst, Lord Mayor of London, and his wife Eleanor Babington, daughter of William Babington. He was baptised at Saint Mary Le Bow on 5 July 1603. In 1625 Parkhurst was elected Member of Parliament for Guildford. He was re-elected in 1626 and in 1628 and sat until 1629 when King Charles decided to rule without parliament for eleven years.