| MIMO | Multiple Input Multiple Output |
| MIMD | Multiple Instructions Multiple Data |
| MWMR | Multiple Write, Multiple Read |
| MS | Multiple Sclerose |
| MID | Multiple Ion Detection |
| MQ | Multiple Quantum |
| MQW | Multiple Quantum Well |
| MQT | Multiple-Quantum Transition |
| MDS | Multiple Data Streams |
| MFD | Multiple Function Detector |
| MQF | Multiple-Quantum Filter |
| MQWS | Multiple Quantum Well Structures |
| MLR | Multiple Linear Regression |
| MPM | Multiple Peak Monitoring |
| MOP | Multiple Original Prints |
| MOP | Multiple Original Prints |
| MNP | Multiple Networking Program |
| MMT | Multiple Mirror Telescope |
| MLS | Multiple Link Support |
| MLS | Multiple Listing Service |
| MLP | Multiple Link Protocol |
| MLI | Multiple Link Interface |
| MQC | Multiple-Quantum Coherence |
| MIR | Multiple Internal Reflection |
| MDR | Multiple Drug Resistance |
| MDI | Multiple Document Interface |
| NBMA | Non-Broadcast Multiple Access |
| MVS | Multiple Virtual Storage |
| MVL | Multiple Virtual Line |
| MSN | Multiple Subscriber Number |
| MVDM | Multiple Virtual DOS Machines |
| MUD | Multiple User Dialogue |
| MAC | Multiple Analogue Component |
| MTA | Multiple Terminal Access |
| MCS | Multiple Chemikalien-Sensibilitaet |
| MCN | Multiple Crossbar Network |
| MBCS | Multiple Byte Character Set |
| MSO | Multiple System Operator |
| MSR | Multiple Spectular Reflectance |
| MAI | Multiple Angle of Incidence |
| MUSIC | Multiple Signal Characterization/Classification |
| TDMA | Time Division Multiple Access Funkverfahren [digital] |
| SSMA | Spread Spectrum Multiple Access |
| SPMD | Single Program Multiple Data |
| SDMA | Space Division Multiple Access |
| RSMW | Rapid Scanning Multiple Wavelength |
| MRCM | Multiple Reduction Copy Machine |
| MPQS | Multiple Polynomial Quadratic Sieve |
| MZR | Multiple Zone Recording [engl.] Technik bei Magnetplatten |
| MUSE | Multiple Sub-Nyqyist-Sampling Encoding |