Harold Simpson

Harold Simpson may refer to:
 * Bullet Joe Simpson (Harold Edward Joseph Simpson, 1893–1973), Canadian ice hockey defenceman
 * Hack Simpson (Harold Alfred Simpson, 1910–1978), Canadian ice hockey player
 * Harold Simpson (cricketer) (1879–1924), English cricketer
 * Harold Simpson, songwriter, see List of compositions by Eric Coates
 * Harold Simpson, writer of Spy of Napoleon