| Abbreviation | Definition |
|---|---|
| NMS | Neighborhood Music School |
| NMS | New Music Seminar |
| NMSM | North and Midlands School of Music |
| NMSO | New Mexico Symphony Orchestra |
| NMSO | North Mississippi Symphony Orchestra |
| NMTA | Nebraska Music Teachers Association |
| NMTA | Nevada Music Teachers Association |
| NMTE | New Musical Theatre Exchange |
| NMTI | National Music Theater Institute |
| NMTM | National Music Teachers Mentorship |
| NMTO | Northern Musical Theatre Orchestra |
| NMTS | Newbury Musical Theatre Society |
| NMUF | New Media Underground Festival |
| NMUR | New Music Review (publication) |
| NMV | Nendoroid Music V |
| NMV | No More Violence |
| NMW | New Music Withdrawl |
| NMWG | Nowhere Man and a Whiskey Girl |
| NNB | Nickel Night Band |
| NNBB | Nasty Nati Brass Band |