Sir Clifford John Boulton, GCB, DL (25 July 1930 – 25 December 2015) was a senior official in the Parliament of the United Kingdom. From 1987 to 1994, he was the Clerk of the House of Commons. Born in Staffordshire, Boulton was educated at Newcastle-under-Lyme High School. He then did National Service for two years in the British Army and fought in the Korean War as a tank commander. Having returning to civilian life, he studied modern history at the University of Oxford.