| Abbreviation | Definition |
|---|---|
| NEPU | Non Ellsworth Protection Union |
| NH | National Highways |
| Nick | Nicholas |
| NICKNAMEGIVENDUETOLASTNAME | FROG GROGG |
| NJ | Norma Jean |
| NJR | Nicholas John Robert |
| NMW | Not Me, Why? |
| NNN | New Name Noah |
| NQOLA | Nqobizitha |
| NS | Nicholas Steven |
| NSW | New South Wales |
| NW | Klein Flange |
| O | Ola |
| O | Oliver |
| O | Ossie |
| O | Owen |
| OAVC | Oscar Andres Valderrama Cano |
| OB | Old Butterpaws |
| Ocie | Octavia |
| ODB | One Dirty B*tch |