John Napier (1550–1617) was a Scottish mathematician, physicist and astronomer.
John Napier may also refer to:
John Light Napier (born 1947), U.S. Representative from South Carolina John Napier (bobsleigh) (born 1986), American bobsledder John Napier (cricketer) (1859–1939), English clergyman and cricketer John Napier (designer) (born 1944), theatre set designer, recipient of many Tony and Olivier awards John Napier (footballer) (born 1946), Irish-born footballer and manager, notably with Bradford City A.F.C. John Napier, of the Scottish shipbuilding firm Robert Napier and Sons John R. Napier (1917–1987), primatologist from the University of London, founder of the Primate Society of Great Britain Sir John Napier, 4th Baronet (1636–1711), English landowner and politician
See also Jack Napier (disambiguation)