| TWAC | Turbocharger Wastegate Actuator Control | 涡轮增压器废气旁通阀执行器控制 |
| TWAC | Texas Water Advisory Council | 德克萨斯州水资源咨询委员会 |
| TWAC | The World Against Cancer | 抗癌世界 |
| TWAC | time-weighted average concentration | 时间加权平均浓度 |
| TWAC | Target Wide Area Communications | 目标广域通信 |
| TWAC | Tactical Weather Analysis Center | 战术天气分析中心 |
| TWAC | Teens with A Cause | 有原因的青少年 |
| TWAC | Targeting Weaponeering Assistance Cell | 瞄准武器装备援助小组 |