| Acronym | Definition |
|---|
| JACG➣Josserand Ace Consulting (web consulting firm; est. 1998; Estacada, OR) |
| JACG➣Joint Aeronautical Commanders Group |
| JACG➣Joint Asian Crime Group (Australian Federal Police) |
| JACG➣Japanese Association for Crystal Growth (Japan) |
| JACG➣Jersey Atari Computer Group (New Jersey; est. 1981) |