| Abbreviation | Definition |
|---|---|
| BTC | Blood Transshipment Center |
| BTC | Boiler Technician Chief |
| BTC | Bong The Cong |
| BTE | Battery Terminal Equipment |
| BTE | Between The Eyes |
| BTG | Basic Target Graphic |
| BTG | Brigade Tactical Group |
| BTHP | Boat Tail Hollow Point bullet |
| BTI | Balanced Technology Initiative |
| BTID | Battlefield Target Identification Device |
| BTL | Battle |
| BTL | Battle Loss |
| BTM | Battalion Training Model |
| BTM | Bermuda Testbed Mooring |
| BTMS | Battalion Training Management System |
| BTO | Brigade Tactical Officer |
| BTOC | Battalion Tactical Operations Center |
| BTOC | Brigade Tactical Operations Center |
| BTOE | Base Table of Organization and Equipment |
| BTP | British Terrain Pattern |