| Abbreviation | Definition |
|---|---|
| MST | MEF (Marine Expeditionary Force) Weather Support Team |
| MST | Meteorological and Oceanographic Support Team |
| MST | Military Science Training |
| MST | Military Sexual Trauma |
| MST | Multipurpose Shuttle Tanker |
| MST1 | Marine Science Technician First Class |
| MST2 | Marine Science Technician Second Class |
| MST3 | Marine Science Technician Third Class |
| MSTA | Military Spouse Technology Academy |
| MSTAR | MLRS (Multiple Launch Rocket System) Smart TActical Rocket |
| MSTAR | Moving and Stationary Target Acquisition and Recognition |
| MSTC | Chief Marine Science Technician |
| MSTC | Military Student Transition Consultant |
| MSTC | Military Student Transition Consultants |
| MSTD | Military Sexual Trauma Disorder |
| MSTI | Moving Stationary Target Indicator |
| MSTI | Moving/Stationary Target Indicator |
| MSTI | Multi-Spectral Thermal Imaging |
| MSTL | Military Subvention Type Lorry |
| MSTP | MAGTF (Marine Air-Ground Task Force) Staff Training Program |