John Kirby may refer to:
Arts and entertainment Joshua Kirby (1716–1774), often mistakenly called John Joshua Kirby, British landscape painter, engraver, and writer John Kirby (actor) (1950/1951–2026), American actor and acting coach John Kirby (artist) (1949–2025), British painter John Kirby (musician) (1908–1952), American jazz musician John Carroll Kirby (born 1983), American pianist, record producer and composer
Politics John Kirby (Canadian politician) (1772–1846), Canadian businessman & politician John Kirby (admiral) (born 1963), retired United States Navy admiral, and spokesperson John Kirby (MP), member of parliament for Hertfordshire
Sports John Kirby (baseball) (1865–1931), baseball player John Kirby (English footballer) (1909–1969), English football player John Kirby (American football) (1942–2017), American football player John Kirby (cricketer) (born 1936), English cricketer Jon Luke Kirby (born 1998), rugby league footballer
Other people John Kirby (topographer) (1690–1753), English mapmaker and illustrator John Kirby (surgeon) (1781–1853), president of the Royal College of Surgeons in Ireland John Henry Kirby (1860–1940), American businessman John Kirby (bishop) (born 1938), Irish bishop John Kirby (attorney) (1939–2019), American lawyer and namesake of Nintendo character Kirby
See also John Kirby Allen (1810–1838), American pioneer Jack Kirby (disambiguation) John Kirkby (disambiguation)