| Abbreviation | Definition |
|---|---|
| MWC | Margaret Woodward Chase |
| MWV | Miss West Virginia |
| MZD | Mark Z. Danielewski |
| NB | Napoleon Bonaparte |
| NB | Neil Bogart |
| NB | Nero Bianco |
| NB | Newton Brown |
| NB3 | Notah Begay III |
| NBP | Nathaniel B. Palmer, explorer |
| NDV | Nick D'Virgilio |
| NEH | Noel Edgar Haynes |
| NF | Nelly Furtado, singer and song writer |
| NFB | Norman Francis Bates |
| NFS | Nikolai Frederik Severin Grundtvig, poet |
| NG | Norvin Green |
| NH | Ninja Hero |
| NI | Niel I |
| NITMA | Nigerian International Technology Merit Award |
| NJ | Nick Johnson, baseball player |
| NL | Nick Lachey |