| Abbreviation | Definition |
|---|---|
| NHB | New Horizons Band |
| NHBP | Nottawaseppi Huron Band of Potawatomi |
| NHBP | Nottawaseppi Huron Band of Pottawatomi |
| NHBP | Nottawaseppi Huron Band of the Potawatomi |
| NHDQ | No Hay De Que |
| NHJO | Noordhollands Jeugdorkest |
| NHM | Nashville Hard Music |
| NHMC | Northeast Heritage Music Camp |
| NIB | Nativity In Black |
| NIB | Nerds In Band |
| NIBG | Native Inter Band Games |
| NIGGA | Never Ignorant in Getting Goals Accomplished |
| NIMA | Nashville Independent Music Awards |
| NIMA | Nashville Independent Music AwardsNashville |
| NIMA | National Indigenous Music Awards |
| NIMA | Newcastle Improvised Music Association |
| NIMC | National Indian Music Competition |
| NIMC | National Interfraternity Music Council |
| NIME | New Instruments for Musical Expression |
| NIME | New Interfaces for Musical Expression |