| Acronym | Definition |
|---|
| TBAC | Task Based Authorization Controls |
| TBAC | Treasury Borrowing Advisory Committee (US Department of the Treasury) |
| TBAC | To Be Absolutely Clear |
| TBAC | Tertiary-Butyl Acetate (CAS No. 540-88-5; organic solvent) |
| TBAC | Task-Based Access Control |
| TBAC | Tampa Bay Agility Club (dogs; Tampa Bay, FL) |
| TBAC | Tetrabutyl Ammonium Chloride |
| TBAC | Thunder Bay Autosport Club (Canada) |
| TBAC | Test of Basic Auditory Capabilities |
| TBAC | The British Are Coming (online game) |
| TBAC | The Bored-Again Christian (podcast) |
| TBAC | The Blue Army Crew (Bruges, Belgium) |