John Good
John or Jack Good may refer to:
- I. J. Good, known as Jack, British statistician and cryptanalyst
- Jack Good , British television, theatre and music producer
- John Good , English footballer
- John Good , Irish politician and company director
- John F. Good, FBI agent who created the Abscam sting operation
- John G. Good, Pennsylvania politician
- John Jay Good, mayor of Dallas
- John Mason Good, English writer on medical, religious and classical subjects