JG or J. G. may refer to:
* Organization of the Luftwaffe (1933–45)#Geschwader, Jagdgeschwader unit of the Imperial German Air Service of World War I or the ''Luftwaffe'' (German air force), in World War II
* Job guarantee, a proposal for full employment
* ''The Journal Gazette'', a newspaper in Fort Wayne, Indiana, United States
* Junior grade, subdivision of various military ranks
* Josh Gordon, an American football wide receiver
* Jonita Gandhi, Indian-born-Canadian singer
* JetGo, an airline (IATA code JG)
* ''Janatha Garage'', 2016 Indian film, abbreviated ''JG''
* JG Faherty, American novelist
* JG Montgomery, Australian/English author
* JG Motorsports, former NASCAR team
* JG Summit Holdings, Filipino conglomerate
* JG Thirlwell, Australian composer, producer and musician
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