John Harper
John Harper may refer to:
Arts and entertainment
- John Harper (actor), English comic actor
- John Harper (architect), English architect
- J. Russell Harper, Canadian art historian
- John Harper, director of the Royal School of Church Music
- Johnny Harper, fictional character in ''The O.C.''
Law and politics
- John Adams Harper, American politician from New Hampshire
- John Harper (mayor), American politician in Colorado
- John Harper (Kentucky politician), American politician from Kentucky
- John Joseph Harper, Canadian aboriginal leader in Manitoba
Sports
- John Harper (footballer), Scottish footballer
- John Harper (baseball), American Negro league baseball player
- John Harper (gridiron football), Canadian football player
- John Harper (bowls), Scottish lawn and indoor bowler
Others
- John Harper (administrator), Australian railways commissioner
- John Harper (pastor), British Baptist pastor
- John Ernest Harper, British admiral
- John William Harper, British army soldier
- John L. Harper, British biologist
- John Harper (computer engineer), British computer scientist
- John Dixon Harper, American executive at Alcoa