| TDAC | Time Domain Alias Cancellation | 时域混叠消除 |
| TDAC | Training Data Analysis Center | 培训数据分析中心 |
| TDAC | Tactical Data Acquisition and Correlation | 战术数据采集与关联 |
| TDAC | Technical Data Activity Code (Army Integrated Facilities System) | 技术数据活动代码（陆军综合设施系统） |
| TDAC | Teen Drinking Action Council | 青少年饮酒行动委员会 |
| TDAC | Time Domain Aliasing Cancellation | 时域别名取消 |