John Kirk may refer to:
Military John Kirk (soldier) (1827–1865), awarded the Victoria Cross John Kirk (Medal of Honor), American Indian Wars soldier on List of Medal of Honor recipients for the Indian Wars
Sportspeople John Kirk (footballer, born 1922) (1922–2006), English football winger with Darlington John Kirk (footballer, born 1930) (1930–2003), Canadian football inside forward with Accrington Stanley John Kirk (cyclist) (1890–1951), British Olympic cyclist
Politicians John Kirk (New Zealand politician) (1947–?) John Angus Kirk (1837–1910), Canadian politician and farmer John P. Kirk (1867–1952), American politician, mayor of Ypsilanti, Michigan
Others John Kirk (antiquarian) (1760–1851), Roman Catholic priest and antiquary John Kirk (explorer) (1832–1922), worked alongside David Livingstone in southern Africa John Foster Kirk (1824–1904), American historian, journalist, educator and bibliographer John Kirk (archaeologist) (1869–1940), British twentieth-century archaeologist