| TACM | Tactical Air Command Manual | 战术空中指挥手册 |
| TACM | Tallahassee Antique Car Museum (Florida, USA) | 塔拉哈西古董汽车博物馆（美国佛罗里达州） |
| TACM | Transit Air Cargo Manifest | 过境航空货物舱单 |
| TACM | Tactically Advanced Combat Mount (lighting and mounting system) | 战术先进战斗坐骑（照明和坐骑系统） |
| TACM | Tecumseh Area Historical Museum (also known as Tecumseh Area Historical Society; Tecumseh, MI) | Tecumseh地区历史博物馆（也称为Tecumse地区历史学会；密歇根州Tecumsey） |
| TACM | Trace of the Average Covariance Matrix | 平均协方差矩阵的迹 |
| TACM | T-1 Access Circuit Master | T-1访问电路主控器 |
| TACM | Torpedo & Acoustics Countermeasures | 鱼雷和声学方面的对策 |