John Gregory
John or Johnny Gregory may refer to:
Sportspeople
- John Gregory (cricketer, born 1887), Hampshire cricketer
- John Gregory (cricketer, born 1842), English cricketer
- Colin Gregory, British tennis player
- Jack Gregory (American football coach), college football head coach for East Stroudsburg, Villanova, and Rhode Island
- John Gregory (American football coach), American football coach
- John Gregory (footballer), English footballer and coach
- Johnny Gregory (footballer), Australian footballer
Others
- John Gregory (scholar), English orientalist
- John Gregory (settler), founding settler of Norwalk, Connecticut
- John Gregory (moralist), Scottish physician and writer
- John Munford Gregory, governor of Virginia, United States, 1842–1843
- John Gregory (engineer), English engineer and member of Franklin's Lost Expedition
- John Milton Gregory, first President of the University of Illinois at Urbana-Champaign, United States, 1867–1880
- John Gregory (poet), trade unionist and Bristol's 'poet cobbler'
- John Walter Gregory, British geologist and explorer
- John Duncan Gregory, British diplomat dismissed for speculation in foreign currencies
- John Gregory (politician), Canadian member of Parliament
- John Gregory (sculptor), American sculptor
- John F. Gregory, optical worker and creator of the Gregory-Maksutov telescope design
- John M. Gregory (businessman), American former CEO of King Pharmaceuticals, Inc. in the 1990s
- John Gregory (bandleader), English bandleader who often recorded under the name "Chaquito"
- John Gregory (priest), Anglican priest
- John S. Gregory, Australian professor of Chinese history