| Abbreviation | Definition |
|---|---|
| NMB | Normal Marching Band |
| NMBB | New Manhattan Big Band |
| NMBB | No More Biopsy Blues |
| NMBS | NEWFIRM Medium Band Survey |
| NMC | National Music Centre |
| NMC | New Music Cassettes |
| NMCM | New Music Charts Mag |
| NME | New Music Expression |
| NME | New Musical Editor |
| NME | New Musical Express |
| NMF | New Music Freak |
| NMF | Norman Music Festival |
| NMH | Neutral Milk Hotel |
| NMHS | National Music Honor Society |
| NML | Naxos Music Library |
| NMM | National Music Museum |
| NMMS | Northern Michigan Music Scene |
| NMNC | New Music New College |
| NMR | New Music Review (publication) |
| NMR | Not My Rip |