Overview
John Gunn may refer to:
- John Gunn (Australian politician) (1884-1959), 29th Premier of South Australia
- John Gunn (Australian writer) (~1925-?), Australian writer, sailor and aviation journalist
- John Gunn (cricketer) (1876-1963), English cricketer
- John Gunn (geologist) (1801-1890), English geologist
- John Gunn (Manitoba politician) (1826-1898), politician in Manitoba, Canada
- John Gunn (New South Wales politician) (1860-1910), Australian politician and pastoralist
- John Gunn (writer) (c. 1765-c. 1824), Scottish cellist, writer on music, and professor
- John Alexander Gunn (1896-1975), Philosopher
- John Currie Gunn (1916-2002), Scottish scientist
- John Edward Gunn (1863-1924), Irish-born prelate of the Roman Catholic Church
- John R. Gunn (1877-1956), American clergyman
- J. B. Gunn (1928-2008), discovered the Gunn effect and invented the Gunn diode
- Tom Brandi (born 1966), wrestler who used the ring name Johnny Gunn