| Acronym | Definition |
|---|
| JACS | Journal of the American Chemical Society |
| JACS | Joint Academic Coding System |
| JACS | Journal of the American College of Surgeons |
| JACS | Japanese Association for Canadian Studies (est. 1977) |
| JACS | Journal of the American Ceramic Society |
| JACS | Japanese Association of Counseling Science |
| JACS | Japanese Association of Computer Science |
| JACS | Japan Association for Consumer Studies |
| JACS | Justice and Community Services (Australia) |
| JACS | Joint Automated COMSEC System |
| JACS | JUMPS Automated Coding System |
| JACS | Joint Automated CEOI(Communications-Electronics Operating Instructions) System (US DoD) |