John McCullough is the name of: John McCullough (actor) (1837–1885), American actor John McCullough (rugby union) (born 1936), New Zealand rugby football player John Alexander McCullough (1860-1947), New Zealand politician John C. McCullough (1858-1920), American politician from California John G. McCullough (1835–1915), American politician and governor of Vermont John McCullough (basketball) (born 1956), American basketball player and coach See also John McCulloch (disambiguation)