| Abbreviation | Definition |
|---|---|
| MTM | Million Ton Miles |
| M-T-M | Model-Test-Model |
| MTMC | Military Traffic Management Command |
| MTMC | Multi-Tasking Machining Center |
| MTMCEA | Military Traffic Management Command Eastern Area |
| MTMC-TEA | Military Traffic Management Command Transportation Engineering Agency |
| MTMC-TES | Military Traffic Management Command - Transportation Engineering Service |
| MTMC-TES | Military Traffic Management Command- Transportation Engineering Service |
| MTMCWA | Military Traffic Management Command Western Area |
| MTMP | MACOM Telephone Modernization Program |
| MTMS | Maritime Tactical Message System |
| MTMU | Mobile Torpedo Maintenance Unit |
| MTN | Military Training Network |
| MTN | Mountain |
| MTN | Multi-Tactical Data Link Network |
| MTO | Manufacturing Technology Order |
| MTO | Mediterranean Theater of Operations |
| MTO | Message to Observer |
| MTO | Mission Type Order |
| MTOC | Marine Tactical Operations Center |