John Crosbie (John Carnell Crosbie; 1931–2020) is a retired Canadian politician.

John Crosbie may also refer to: John Crosbie (bishop) (died 1621), Irish bishop John Gustavus Crosbie (died 1797), Irish MP John Crosbie, 2nd Earl of Glandore (1753–1815), Irish politician Sir John Chalker Crosbie (1876–1932), Newfoundland politician Johnny Crosbie (1896–1982), Scottish footballer with Ayr United, Birmingham City, Scotland

See also John Crosby (disambiguation)