John or Jack Good may refer to: I. J. Good (1916–2009), known as Jack, British statistician and cryptanalyst Jack Good (producer) (1931–2017), British television, theatre and music producer John Good (actor) (1919–1996), American actor in The Private Affairs of Bel Ami John Good (footballer) (1933–2005), English footballer John Good (Irish politician) (died 1941), Irish politician and company director John F. Good (1936–2016), FBI agent who created the Abscam sting operation John G. Good (born 1926), Pennsylvania politician John Jay Good (1827–1882), mayor of Dallas John Mason Good (1764–1827), English writer on medical, religious and classical subjects