| TBAC | Task-Based Access Control | 基于任务的访问控制 |
| TBAC | Tetrabutyl Ammonium Chloride | 四丁基氯化铵 |
| TBAC | Tertiary-Butyl Acetate (CAS No. 540-88-5; organic solvent) | 乙酸叔丁酯（CAS号540-88-5；有机溶剂） |
| TBAC | The Blue Army Crew (Bruges, Belgium) | 蓝军船员（比利时布鲁日） |
| TBAC | Test of Basic Auditory Capabilities | 基本听觉能力测试 |
| TBAC | Tandy Brands Accessories | Tandy品牌配件 |
| TBAC | Tony Berger Activity Center | 托尼·伯杰活动中心 |