John Dwyer may refer to: John Dwyer (Australian judge) (1879–1966), Australian judge John Dwyer (baseball) (active 1882), American baseball player John Dwyer (field hockey) (born 1928), Australian Olympic hockey player John Dwyer (medicine) (born 1939), Australian professor of medicine John Dwyer (musician) (born 1974), American musician John Dwyer (police officer) (active 2012–2016), British police officer John Dwyer (VC) (1890–1962), Australian soldier John M. Dwyer (born 1926), American set decorator John J. Dwyer (1856–1911), American architect Jack Dwyer (1927–1997), American football player