John Mooney may refer to: John Mooney (activist) (born 1966), American activist, Vice-President of Transport Workers Union in New York City John Mooney (basketball) (born 1997), American basketball player John Mooney (cricketer) (born 1982), Irish cricketer John Mooney (historian) (1862–1950), Scottish historian, founder of the Orkney Antiquarian Society John Mooney (musician) (born 1955), American blues guitarist based in New Orleans, Louisiana John Mooney (canoeist) (born 1964), American sprint canoer John J. Mooney (born 1929), American chemical engineer who was co-inventor of the three-way catalytic converter John J. Mooney (horse racing) (1924–1994), Canadian horse racing executive Sir John Mooney (Irish politician) (1874–1934), Irish politician, Member of Parliament for South County Dublin 1900–1906, and Newry 1906–1918 Johnny Mooney (footballer) (1926–2000), Scottish footballer Johnny Mooney (born 1958), Irish Gaelic footballer Jackie Mooney (1938–2017), Irish soccer player J. D. Mooney (died 1966), American jockey and trainer John Mooney (Canadian politician) (1933–2003), Canadian politician John David Mooney, Chicago-based artist