| Moštenica | Moštenica |
| Mo‘ynoq | Moynaq |
| MP | deputato |
| Mpemba effect | Effetto Mpemba |
| MPG | MPG |
| mple | tempia |
| Mpumalanga | Mpumalanga |
| MQ | MQ |
| Mqabba | Micabba |
| Mr | signore |
| Mr So-and-so | Tizio |
| Mr. | Signore |
| Mreznica | Retina |
| Mrs | signora |
| Mrs Dalloway | La signora Dalloway |
| Mrs Henderson Presents | Lady Henderson presenta |
| Mrs So-and-so | Tizio |
| Mrs. | Signora |
| MS | laureato in scienze |
| MS Explorer | Esploratori celebri |
| MS Freedom of the Seas | Freedom of the Seas |
| MS Queen Victoria | Queen Victoria |
| MS-DOS | MS-DOS |
| MSc | laureato in scienze |
| MSL | Livello del mare |
| MSM | MSM |
| MSN | MSN |
| MSN Hotmail | Hotmail |
| MSN Messenger | MSN Messenger |
| MSN TV | Web TV |
| MSO Word | MSO Word |
| Mstislav I of Kiev | Mstislav I di Kiev |
| Mstislav II of Kiev | Mstislav II di Kiev |
| Mstsislaw Voivodeship | Voivodato di Mścisław |
| MSV Duisburg | MSV Duisburg |
| Mswati III of Swaziland | Mswati III dello Swaziland |
| MSX | Standard MSX |
| MT-LB | MT-LB |
| Mtarfa | Marfa |
| Mtatsminda Pantheon | Pantheon |
| MtDNA‚ mitochondrial DNA | DNA mitocondriale |
| MTK Hungária FC | MTK Hungária FC |
| MTN Group | Gruppo MTN |
| MTR | Mass Transit Railway |
| MTR Corporation | MTR Corporation Limited |
| MTS | MTS |
| MTS Ukraine | MTS Ukraine |
| Mtskheta | Mtskheta |
| Mtskheta-Mtianeti | Mtskheta-Mtianeti |
| MTT Turbine SUPERBIKE | MTT Turbine Superbike |
| MTV | MTV |
| MTV Movie Awards | MTV Movie Awards |
| MTV Networks Europe | MTV Networks Europe |
| MTV Russia | MTV |
| MTV Thailand | MTV |
| MTV Unplugged | MTV Unplugged |
| MTV Unplugged in New York | MTV Unplugged in New York |
| MTV Video Music Awards | MTV Video Music Awards |
| Mtwara | Regione di Mtwara |
| Mtwara Region | Regione di Mtwara |
| Mu | Mi |
| Mu Arae | Mu Arae |
| Mu Cassiopeiae | Mu Cassiopeiae |
| Mu Cephei | Mu Cephei |
| Mu Draconis | Arrakis |
| Mu Herculis | Mu Herculis |
