John Kirwan may refer to: John Kirwan (cricketer) (1816–1899), English cricketer John Kirwan (politician) (1869–1949), Australian politician Sir John Kirwan (rugby) (born 1964), New Zealand dual-code rugby footballer and coach Jack Kirwan (John Henry Kirwan) (1878–1959), Irish international footballer player who played for Everton, Tottenham and Chelsea Jack Kirwan (rugby league) (1896–1968), New Zealand rugby league player Sir John Kirwan (1650–1721), Irish entrepreneur John William Kirwan (died 1849), president of Queen's College, Galway John Óge Kirwan (fl. 1530–1531), mayor of Galway