| Abbreviation | Definition |
|---|---|
| MTRC | Mobile Train Radio Communication |
| MTS | Message Transfer Service |
| MTS | Microsoft Transaction Server |
| MTS | Multi Threaded Server |
| MTSP | Multiple Traveling Salesman Problem |
| MTU | Maximum Transmission Unit |
| MTU | Measured Transmission Upload |
| MTW | Maximum Transmission Window |
| MU | Master Unit |
| MU | Message Utilities |
| MUA | Mail User Agent |
| MUD | Multiple User Domain |
| MUE | Multi- User Equipment |
| MUFE | Music for Everyone |
| MUGC | Monetizing User-Generated Content |
| MUSTANG | Multi User Scholastic Tool and Networking Groups |
| MUTS | Multicast And Unreliable Transport Service |
| MVCC | Multi Version Concurrency Control |
| MVCC | Multi-Version Concurrency Control |
| MVIP | Multi-Vendor Interface Protocol |