| Abbreviation | Definition |
|---|---|
| NKOTBBSB | New Kids On The Block & The BackStreet Boys |
| NKR | New Kind of Revolution |
| NLIOZ | No Led In Our Zeppelin |
| NLJ | Nathan Leigh Jones |
| NLMB | National Liturgical Music Board |
| NLMP | Notification of Live Music Performance |
| NLO | New London Orchestra |
| NLO | Northern Lights Orchestra |
| NLO | The Nick Levinovsky Orchestra |
| NLSO | North London Symphony Orchestra |
| NLSO | Northern Lights Steel Orchestra |
| NLT | Not Like Them |
| NM | Never Mine |
| NM | No Music |
| NM4 | Nicki Minaj’s fourth album. |
| NM4 | Nicki Minajs fourth album. |
| NMA | New Music Army |
| NMB | Naperville Municipal Band |
| NMB | New Music Business |
| NMB | No Mazurka Band |