| Acronym | Definition |
|---|
| JASS | Just Associates (international NGO) |
| JASS | JumpStart Architecture and Security Scripts (now Solaris Security Toolkit; Sun Microsystems) |
| JASS | Journal of Applied Systems Studies |
| JASS | Joint Assessment of Specific Sites |
| JASS | Joint Advanced Student School |
| JASS | Journal of Artificial Societies and Social Simulation (UK) |
| JASS | Java Audio Synthesis System |
| JASS | Japanese Architectural Standard Specification |
| JASS | Job Advertising and Selection System |
| JASS | Japanese Association of Sociolinguistic Sciences |
| JASS | Journal of Astronomy and Space Sciences (Korea) |
| JASS | Journal Article Summary Service |
| JASS | Job Applicant Screening Simulator |
| JASS | Japanese Agricultural Systems Society |
| JASS | Just Another Scripting Syntax (computer programming) |
| JASS | Joint-Anti Submarine School |
| JASS | Jewish Association Serving Singles |
| JASS | Joint Airborne SIGINT System |
| JASS | Japanese ASL Signers Society |
| JASS | Jewish Association of Singles Services (Scottsdale, AZ) |
| JASS | Job Assessment Software System |
| JASS | Jersey Annual Social Survey |
| JASS | Joint Area Scientific Symposium |
| JASS | Jenasys Application Support Service |
| JASS | Jilin Academy of Social Sciences |
| JASS | Job Analysis Software System |
| JASS | Jaringan Sentra Selular |
| JASS | JVX Application System Software |
| JASS | JVX Avionics System Software |
| JASS | Javascript-Accessable Style Sheet |