Jack Gregory
Jack Gregory may refer to:
- Jack Gregory , Australian cricketer
- Jack Gregory , American football player for the University of Alabama, University of Chattanooga and Cleveland Rams
- Jack Gregory , British sprinter
- Jack Gregory , English football full back for Southampton and Leyton Orient
- Jack Gregory , English football inside forward for West Ham United and Scunthorpe United
- Jack Gregory , college football head coach for East Stroudsburg, Villanova, and Rhode Island
- Jack I. Gregory, general in the United States Air Force
- Jack Gregory , American football defensive end