| Abbreviation | Definition |
|---|---|
| MMMJ | Monadnock Mountain Music Jaffrey |
| MMMMM | A Multimodal Mobile Music Mixer |
| MMN | Metro Music News |
| MMNJ | Ministério De Música Nova Jerusalem |
| MMO | Music Minus One |
| MMOB | Master Musicians of Bukkake |
| MMP | Mobile Music Pump |
| MMPB | Maloney Memorial Pipe Band |
| MMPT | Making Music Praying Twice |
| MMPT | Music Media and Performance Technology |
| MMPU | Multicultural Music Programme Unit |
| MMRF | Music Maker Relief Foundation |
| MMS | Morley's Magic Stick |
| MMSMB | McCord Middle School Marching Band |
| MMT | Media, Music, and Technology |
| MMT | Memphis Music Town |
| MMTF | Minneapolis Music Teachers Forum |
| MMTM | Magical Musical Time Machine |
| MMTS | Metal Mouthpiece Tenor Saxophone |
| MMUP | Mary Mountain Unplugged Project |