'''John Caulfield''' may refer to: * H. John Caulfield (1936–2012), American physicist * John Caulfield (Australian footballer) (1944–2006), Australian rules footballer *John Caulfield (diplomat), American diplomat * John Caulfield (colonist of Victoria) (1808–1879), included in ''The Explorers and Early Colonists of Victoria'' * John Caulfield (Irish footballer) (born 1964), former Irish footballer and current manager * Jack Caulfield (1929–2012), American security operative and law enforcement officer in the Nixon administration ==See also== * John Caulfeild (1661–1707), Irish soldier and politician * John Caulfeild (priest) (1738–1816), Anglican priest in Ireland
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