Arthur Harper may refer to:

Arthur Cyprian Harper (1866–1948), mayor of Los Angeles, California, 1906–1909 Arthur Paul Harper (1865–1955), New Zealand lawyer, mountaineer, explorer, businessman and conservationist Arthur Harper (trader) (1835–1897), immigrant to the U.S. from northern Ireland, trader and miner in Alaska, British Columbia and California, in Alaska Mining Hall of Fame Arthur H. Harper (1955–2017), American businessman Arthur M. Harper, United States Army general. Arthur Harper (musician) (1939–2004), jazz musician