| Maktab Tentera Diraja | Academic & Science |
| Maneuver Test Directorate | Academic & Science |
| Motor Trend Division | Academic & Science |
| Month To-date | Accounts and Finance |
| Mt Sandford | Airport Code |
| Metal Trades Department | Associations & Organizations |
| Movimiento de Trabajadores Desempleados | Associations & Organizations |
| Metroland Australia Ltd | Business |
| Making Tax Digital | Business |
| Mettler- Toledo International, Inc. | Business |
| Michael Tobias Design | Business |
| Memory Technology Devices | Business |
| Mixture Transition Distribution | Chemistry |
| Music Theatre and Dance | Community |
| Musically Transmitted Disease | Community |
| Multi-Track Drifting | Computing |
| Microsoft Touch Develop | Computing |
| Memory Technology Driver | Computing |
| Mobile Threat Defense | Computing |
| Metadynamics | Computing |
| MetaDress | Cryptocurrency |
| Measured Total Depth | Earth Science |
| Moving Target Defense | General |
| Matter Transference Device | General |
| Modern Tire Dealer | General |
| Mic Tools for Drummers | General |
| Monza Track Day | General |
| Mass Transit District | General |
| Mechanical Torsion Damper | General |
| Modena Track Days | General |
| Motor Transport Driver | General |
| Monster Truck Destruction | General |
| Missed The Dumpster | General |
| Motor Truck Driver | General |
| Master Truck Driver | General |
| Master of Technological Design | General |
| Missing Truck Driver | General |
| Motor Transportation Division | General |
| Midwest Track Day | General |
| Month till date | General |
| Mechanical Transport Driver | General |
| Maximum Tolerable Downtime | General |
| Managing Terminal Dependencies | General |
| Micro Triangle Displacement | General |
| Modern Tool Die | General |
| Modern Tool And Die | General |
| Machine Tool And Die | General |
| Metadata Type Description | General |
| Made To Destruct | General |
| Many Times Destructed | General |
| Mike Tobias Design | General |
| Miles To Date | Governmental |
| மக்கள் தமிழ் தேசம் | Governmental |
| Motor Transport Division | Governmental |
| Motion To Dismiss | Governmental |
| MERTA ROAD JN | Indian Railway Station |
| Made To Die | Internet |
| Multi Distributed | Maths |
| Metric Tonnes Per Day | Measurement Unit |
| Maximum Therapeutic Dose | Medical |
| Maximum Therapeutic Dosage | Medical |
| Minimum Therapeutic Dosage | Medical |
| Muscle Tension Dysphonia | Medical |
| Maximum Tolerated Dose - phase 1 studies | Medical |
| Maximum Tolerated Dose | Medical |
| Mycobacterium Tuberculosis Direct | Medical |
| Methadone | Medical |
| Marine Technical Design | Messaging |
| Materiel Test Directorate | Military and Defence |
| Mobility Technology Demonstration | Military and Defence |
| Minimum Translation Distance | Physics Related |
| Arabic for Forum abbreviated [montada] | Regional |
| Mt. Sandford, Northern Territory, Australia | Regional |
| Moralistic Therapeutic Deism | Society & Culture |
| Memory Test Driver | Softwares |
| Mounted | Space Science |
| Mettler Toledo | Stock Exchanges |
| Memory Technology Device | Technology |
| Media Technology and Design | Technology |
| Mobiltelefonisystem D | Technology |
| Merta Road Junction | Transport & Travel |
| Mount Sanford Station Airport | Transport & Travel |