Major Harry Ernest Chapman, CBE, DL (19 February 1870 – 12 January 1944) was a British soldier and police officer. He served as Chief Constable of Kent County Constabulary from January 1921 to 1940, having previously been Deputy Chief Constable. Chapman was commissioned a second lieutenant in the Border Regiment on 9 April 1892, served in the Waziristan Field Force, 1894–95, and was promoted to lieutenant on 1 July 1895. He was promoted to captain on 18 June 1902.