| Acronym | Definition |
|---|
| ACJ➣Administration of Criminal Justice (various locations) |
| ACJ➣Allegheny County Jail (Pennsylvania) |
| ACJ➣Asociación Cristiana de Jóvenes (Christian Youth Association, Guatemala) |
| ACJ➣Acromioclavicular Joint |
| ACJ➣A319 Corporate Jet (Airbus aircraft) |
| ACJ➣Airbus Corporate Jetliner (aviation) |
| ACJ➣Advisory Committee on the Judiciary (New York) |
| ACJ➣American Committee on Jerusalem |
| ACJ➣American Communication Journal |
| ACJ➣Allied Council for Japan (est. 1945) |
| ACJ➣American Council for Judaism (est. 1942) |
| ACJ➣American Council on Japan |
| ACJ➣Australian College of Journalism |
| ACJ➣Alianza Mundial de Asociaciones Cristianas de Jóvenes (Spanish: World Alliance of YMCAs) |
| ACJ➣Arthrites Chroniques Juvéniles (French: Chronic Juvenile Arthritis) |
| ACJ➣Anti-Car-Jacking (car security system) |
| ACJ➣Association Culture et Jeunesse (French: Culture and Youth Association) |
| ACJ➣Advisory Circular Joint |
| ACJ➣Artificially Constructed Junction |