| Acronym | Definition |
|---|
| JTSA➣Jewish Theological Seminary of America |
| JTSA➣J.T. Sauer & Associates, LLC (Burgettstown, PA) |
| JTSA➣Joint Tactical SIGINT Architecture |
| JTSA➣Joint Technical Support Activity |
| JTSA➣Joint Tactical Support Activity |
| JTSA➣Junior Technical Support Analyst |