| Abbreviation | Definition |
|---|---|
| NAU | Nauru |
| NAU | North Australia |
| NAV | Navajo |
| NBL | Ndebele, South |
| NDC | Ndau |
| NDE | Ndebele, North |
| NDF | Ndebele |
| NDO | Ndongo |
| NEP | Nepali |
| NEU | Northern Europe |
| NEW | Newari |
| NHD | CHIRIPÁ: a language of Paraguay |
| NIC | Niger- Kordofanian (Other) |
| NIU | Niuean |
| NLA | Dutch ( Netherlands) |
| NMQ | Nambya |
| NNO | Norwegian ( Nynorsk) |
| NNS | Non Native Speaker |
| NOL | LAO: A Language of Laos |
| NON | Norse, Old |