John D'Arcy

John D'Arcy may refer to:
 * John D'Arcy (cricketer) (born 1936), New Zealand cricketer
 * John D'Arcy (footballer) (1935–2019), Australian rules footballer
 * John Darcy, 1st Baron Darcy de Knayth (c. 1290–1347), English peer
 * John D'Arcy (1785–1839), Irish landowner
 * John Michael D'Arcy (1932–2013), American Roman Catholic bishop
 * John P. D'Arcy (1957–1994), American electrical engineer
 * John D'Arcy (British Army officer) (1894–1966), British general