| Acronym | Definition |
|---|
| JAG | Judge Advocate General |
| JAG | Jaguar (sports car/sedan) |
| JAG | Justice Assistance Grant (US Department of Justice) |
| JAG | Jaguar (64-bit Atari video game system) |
| JAG | Jaguar (Apple computer operating system) |
| JAG | Jason and the Argonauts |
| JAG | Jobs for America's Graduates |
| JAG | Jones Apparel Group (Jones Group, Inc.) |
| JAG | Jewelry and Gem (US FBI) |
| JAG | Joint Action Group |
| JAG | Junior Achievement of Georgia (est. 1943) |
| JAG | Java Application Generator |
| JAG | Joint Advisory Group |
| JAG | Just Another Girl |
| JAG | Just Another Guy |
| JAG | Japan Air Gases (est. 2003) |
| JAG | Journal of Algebraic Geometry |
| JAG | James Abram Garfield (US president) |
| JAG | Jaguar Association Germany |
| JAG | Jobs for Arizona Graduates |
| JAG | Jobs for Arkansas Graduates |
| JAG | Judge Adjutant General |
| JAG | Jabiluka Action Group (Melbourne, Australia) |
| JAG | Joint Advocate General |
| JAG | Just Another Guestbook |
| JAG | Jersey Association of Gamers |
| JAG | Just Another Geek |
| JAG | Japan Award Hunters Group |
| JAG | James A. Gosling (Java programming language designer) |
| JAG | Judicial Action Group (lobbyist group) |
| JAG | Joint Acquisition Group (US DoD) |
| JAG | Just Another Good Picture Production |
| JAG | Joint Air & Ground Operations |
| JAG | Jefferson Lab Activities Group |
| JAG | Jaguar Advisory Group |
| JAG | Job Activities Guide |
| JAG | Japan Air Gold |
| JAG | John Anthony George (UK mobile telephone business) |
| JAG | Jaguar Amateurs Groupe (French automobile club) |