| Acronym | Definition |
|---|
| TSAS➣Tactile Situational Awareness System |
| TSAS➣Tulsa School of Arts and Sciences (Tulsa, OK) |
| TSAS➣Tri-Service Anaesthetic Society (UK) |
| TSAS➣Timber Supply Analysis System |
| TSAS➣Tactical Switching Afloat System |
| TSAS➣The Small Arms Survey (Switzerland; Graduate Institute of International Studies; research project) |
| TSAS➣The Small Animal Surgeon Ltd (Papakura, New Zealand) |