| Abbreviation | Definition |
|---|---|
| MSTD | Maharashtra Sales Tax Department |
| MSTD | Municipal Short Term Debt |
| MSTU | Municipal Service Taxing Unit |
| MSWC | Montana Solid Waste Contractors |
| MSWD | Mission Springs Water District |
| MSWP | Missouri State Water Patrol |
| Mt.V | Mountain View |
| MTA | Maine Turnpike Authority |
| MTA | Massachusetts Turnpike Authority |
| MTAM | Marine Trades Association of Maryland |
| MTAM | Mobile Technology Association of Michigan |
| MTAM | Music Therapy Association of Minnesota |
| MTAP | Maryland Technology Assistance Program |
| MTC | Massachusetts Telecommunications Council |
| MTC | Ministry of Transportation and Communication (former ministry in the government of Ontario. Communication subsequently removed and incorporated into the Ministry of Culture.) |
| MTCE | Michigan Transit Center for Excellence |
| MTCU | Ministry of Training, Colleges and Universities |
| MTEC | Manitoba Tourism Education Council |
| MTEC | Missouri Training and Employment Council |
| MTES | Maryland Technology Extension Service |