| Acronym | Definition |
|---|
| JSAC | Japan Society for Analytical Chemistry |
| JSAC | Journal of Selected Areas in Communications (IEEE) |
| JSAC | Jordan Student Academic Center (Gallaudet University; Washington, DC) |
| JSAC | Joint Strike Analysis Center (US DoD) |
| JSAC | Joint Strike Analysis Cell (US DoD) |
| JSAC | Joint State Area Command |
| JSAC | Joint Strategic Assessment Committee |
| JSAC | Jaffna Social Action Centre (Sri Lanka) |
| JSAC | Joint Safety Advisory Committee (universities; UK) |
| JSAC | Job Similation Assessment Centre |
| JSAC | Joint Systems Acquisition Council |