| Acronym | Definition |
|---|
| MT | Mount |
| MT | Mountain |
| MT | Montana (US postal abbreviation) |
| MT | Mountain Time |
| MT | Manual Transmission (automotive) |
| MT | Metric Ton |
| MT | Medical Technologist |
| MT | Medical Transcriptionist |
| MT | Multi-Tasking |
| MT | Megaton |
| MT | Measurement Ton |
| MT | Multiple Threads / Multi-Threaded (computing term) |
| MT | Magnetic Tape |
| MT | Motor Trend (magazine) |
| MT | My Time |
| MT | Music Therapy |
| MT | Management Team |
| MT | Message Type |
| MT | Musical Theater |
| MT | Mean Time |
| MT | Mathematics |
| MT | Matthew (Bible) |
| MT | Million Tons |
| MT | Mother Tongue |
| MT | Movable Type (web publishing system) |
| MT | Massage Therapist |
| MT | Midtown (neighborhood; band) |
| MT | Mathematics Teaching (Journal) |
| MT | Mato Grosso (Brazil) |
| MT | Medical Tribune |
| MT | Morse Taper |
| MT | Manufacturing Technology |
| MT | Matera (Italy) |
| MT | Monotone |
| MT | Moving Target |
| MT | Motor Transport |
| MT | Meal Ticket |
| MT | Muay Thai (Thai martial art) |
| MT | MegaTokyo (webcomic) |
| MT | MegaTokyo (anime) |
| MT | Mobile Terminal |
| MT | Matanzas (postcode, Cuba) |
| MT | My Turn (gaming) |
| MT | ministry team (US DoD) |
| MT | Mozilla Thunderbird |
| MT | Minor Threat (band) |
| MT | Microtubule |
| MT | Mother Theresa |
| MT | Mathematics Teacher (journal of the National Council of Teachers of Mathematics) |
| MT | Medium Truck |
| MT | Maximum Torque |
| MT | Metallothionein |
| MT | Mobile Terminated (telecommunications) |
| MT | Marianas Trench (band) |
| MT | Membrane Type |
| MT | MegaTokyo (comic strip) |
| MT | Marine Transportation |
| MT | Metric Tonne |
| MT | Meitnerium (element 109) |
| MT | Masterpiece Theater (PBS show) |
| MT | Message Transfer |
| MT | Military Transport |
| MT | Mortise and Tenon (woodworking) |
| MT | Medial Temporal (brain) |
| MT | Mick Taylor (Rolling Stones member) |
| MT | Measurement Technology |
| MT | Mobile Team |
| MT | Mistype(d) |
| MT | means-tested |
| MT | Mark Time |
| MT | Member Training |
| MT | Media Tensión (Spanish: Medium Voltage) |
| MT | Module Test |
| MT | Measured Time |
| MT | Membership Training |
| MT | Mechanical Transport |
| MT | Mobile Transporter |
| MT | Modus Tollens |
| MT | MicroType (typing teaching software) |
| MT | Ministry of Shipping (British archival material; Stanford University; Stanford, CA) |
| MT | Morningthaw (gaming, Asheron's Call) |
| MT | Medieteknik (Swedish) |
| MT | Mechanical Time (Fuze) |
| MT | Mechanical Time (artillery fuze) |
| MT | Mixing Tank |
| MT | Marine Technician |
| mT | Maritime Tropical (weather; air mass) |
| MT | Motor Tanker |
| MT | Master of Technology (degree program) |
| MT | Mode Transition |
| MT | Mean Tide |
| MT | Magister's Terrace (gaming, World of Warcraft) |
| MT | Modern Trade |
| MT | Mississauga Transit (Canada) |
| MT | Missile Technician |
| MT | Mistell (gaming) |
| MT | Milchtrinker (gaming clan) |
| MT | Meningitis Trust (UK) |
| MT | Monon Trail (Indiana) |
| MT | Muscle Thickness |
| MT | Mobile Target |
| MT | Miss Type |
| MT | Mother Tincture |
| MT | Meditación Trascendental (Spanish) |
| MT | Maryland Theatre |
| MT | Medial Temporal Cortex (part of brain) |
| MT | Mana Tombs (gaming) |
| MT | Mission Test |
| MT | Master Trooper |
| MT | Moluccas Time (GMT+0830) |
| MT | Miss Tell (gaming) |
| MT | Mas Tequila |
| MT | Megger Test (insulation resistance) |
| MT | Memoria de Traducción (Spanish: Translation Memory) |
| MT | Management Threshold |
| MT | Message Transmit |
| MT | Medium Terminal |
| MT | Movement Tracker |
| MT | Maximum Tillering |
| MT | Missionary Servants of the Most Holy Trinity (religious order) |
| MT | Mode Transducer |
| MT | Mouse Times (message board) |
| MT | Modechart Toolset |
| MT | Mugglethai (website) |
| MT | Machina Terra (game) |
| MT | Madness Temple (forum) |
| MT | Militiae Templi (gaming clan) |
| MT | Mobius Transformation |
| MT | Multiple-Turbo |
| MT | Metering Tank |
| MT | Mansfield Typewriter |
| MT | Master's of Taxation |
| MT | Modtacular Clan (gaming group) |
| MT | Ministria e Transportit (Albanian: Ministry of Transport) |
| MT | Multiply-Testable |
| MT | Merit Transportation Company |
| MT | Manitoba Transit (Canadian public transit website) |
| MT | Moderator Detritiation |
| MT | Máfia do Tom |
| MT | (USN Rating) Missile Technician |
| MT | Modulation Thermography |
| MT | Military Technician/Training |
| MT | Mission Trainer/Training |
| MT | Mittel Trage (Semi-Delay) |
| MT | Mechanical Time/Transport |
| MT | Meguma Terrain |
| MT | Magnetic Particle Testing (welding) |
| MT | Mach Technologies |
| MT | Maat (German military) |
| MT | Maintenance Test |
| MT | Main Track (railroads) |
| MT | Empty |
| MT | Machine Translation |
| MT | Magnetotelluric |
| MT | Main Tank (gaming) |
| MT | Maintenance Technician |
| MT | Maintenance Trainer |
| MT | Malta |
| MT | Mirage Tank (Westwood Studios) |
| MT | Market Turbulence |
| MT | Modified Tweet (Twitter) |