| Abbreviation | Definition |
|---|---|
| MNSG | Managed Network Services Group |
| MNT | Multi-use NeTwork (State of Colorado) |
| MOAT | Measurement and Operations Analysis Team |
| MOI | Meaning Oriented Interface |
| MOLSR | Multicast Optimized Link State Routing |
| MOM | Mobile Originated Message |
| MOON | Multitasking Object Oriented Network |
| MOP | Maintenance Operation Protocol |
| MoRoS | Modem-Router-Switch |
| MOS | Media Object Server |
| MOS | Microsoft Online Service |
| MOS | Minimum Operable Segment |
| MOSAEC | More Style, Art, Entertainment and Culture (online network) |
| MOSI | Master Out, Slave In |
| MOSMS | Mobile Originated Short Messaging Service |
| MOSP | Meta Object Service Protocol |
| MOSPF | Multicast Open Shortest Path First |
| MOST | Media Oriented Systems Transport |
| MOTIS | Message Oriented Text Interchange System |
| MP | Message Passing |