| Multatuli | Multatuli |
| Multi core | Multi-core |
| Multi Protocol Label Switching | Multiprotocol Label Switching |
| Multi Router Traffic Grapher | Multi Router Traffic Grapher |
| Multi-level marketing | Multi-level marketing |
| Multi-Purpose Logistics Module | Multi-Purpose Logistics Module |
| multicolore | motley |
| Multics | Multics |
| multiforme | multiform |
| Multigrafo | Multigraph |
| multilaterale | multilateral |
| multilingue | multilingual |
| Multimedia | Multimedia |
| Multimedia Home Platform | Multimedia Home Platform |
| Multimedia Messaging Service | Multimedia Messaging Service |
| MultiMediaCard | MultiMediaCard |
| Multimedialità | Multimedia |
| multimilionaria | multimillionairess |
| multimilionario | multimillionaire |
| multinazionale | multinational |
| multipiattaforma | cross-platform |
| Multiplayer | Multiplayer game |
| Multiple Virtual Storage | MVS |
| Multiplexer | Multiplixer |
| multiplo | multiple |
| multiplo comune | common multiple |
| multipolare | heteropolar |
| Multiprocessore simmetrico | Symmetric multiprocessing |
| Multiprogrammazione | Multiple programming |
| Multipurpose Internet Mail Extensions | MIME |
| Multipurpose Laboratory Module | Multipurpose Laboratory Module |
| multirazziale | multiracial |
| Multispazio | Leisure activity vehicle |
| Multitap | Multitap |
| Multithreading | Hyper-threading |
| Mumbai | Mumbai |
| Mumia Abu-Jamal | Mumia Abu-Jamal |
| Mumin | Moomin |
| mummia | mummy |
| Mummia del Similaun | Ötzi the Iceman |
| mummificare | mummify |
