| Acronym | Definition |
|---|
| TBAS | To Be Announced Securities (finance) |
| TBAS | The Big Adventure Store (UK) |
| TBAS | Test of Basic Aviation Skills |
| TBAS | Tampa Bay Aquarium Society (est. 1992; Tampa, FL) |
| TBAS | Tchoukball Association of Singapore |
| TBAS | Treasury Board Accounting Standard (Canada) |
| TBAS | Travel Blog Assistant System |
| TBAS | To Be Announced Soon |
| TBAS | Transaction-Based Authentication Scheme (mobile communication) |
| TBAS | Tampa Book Arts Studio (Florida) |
| TBAS | Tetrabutylammonium Sulfate |
| TBAS | Travel and Budget Analysis System |
| TBAS | Tertiary Butylacrylamide Sulfonic Acid (dental materials) |