Captain Henry Gordon Clappison (October 1, 1898 – May 15, 1977) was a World War I flying ace credited with six aerial victories. Clappison's run of victories came late in World War I. He was assigned to 204 Squadron in August 1918 to pilot a Sopwith Camel. He set afire a Fokker D.VII on 20 September 1918 and ran up five more wins over D.VIIs by November 1. His final tally was two destroyed, four driven down out of control.