Overview
Jack Gregory may refer to:
- Jack Gregory (cricketer) (1895-1973), Australian cricketer
- Jack Gregory (athlete) (1923-2003), British sprinter
- Jack Gregory (footballer, born 1925) (1925-2008), English football full back for Southampton and Leyton Orient
- Jack Gregory (footballer, born 1926) (1926-1995), English football inside forward for West Ham United and Scunthorpe United
- Jack Gregory (American football coach) (1927-2014), college football head coach for East Stroudsburg, Villanova, and Rhode Island
- Jack I. Gregory (born 1931), former general in the United States Aorce
- Jack Gregory (defensive end) (1944-2019), American football defensive end