| Abbreviation | Definition |
|---|---|
| MHM | Mars Hill Music |
| MHMO | Micro House Music Only |
| MHQ | Music Head Quarters |
| MHRC | Music Hall Revitalization Company |
| MHTE | Music History Theory and Ethnomusicology |
| MI | Music Industry |
| MIA | Mathangi Arulpragasam, rapper |
| MIAB | mind.in.a.box |
| MIAP | Music Industry Arts and Performance |
| MIB | Michaels Invisible Band |
| MIC | Music Information Centre |
| MIC | Music Innovation Consumers |
| MICA | Music Information Center Austria |
| MICCA | Massachusetts Instrumental and Choral Conductors Association |
| MICE | Manhattan Improvisers Chamber Ensemble |
| MID | Musical Instrument Digital |
| MIDEM | Marché International du Disque et de l'Edition Musicale |
| MIDI | Musical Instrument Data Interface |
| MIDI | Musical Instrument Digital Ismir |
| MIK | Melodies of Istria and Kvarner |