| Abbreviation | Definition |
|---|---|
| NSL | L Health Ltd |
| NSP | Nusep Ltd |
| NSPO | Nusep Ltd |
| NSPOA | Nusep Holdings Ltd |
| NST | Northern Star Resources, LTD. |
| NSX | National Stock Exchange of Australia, Limited |
| NTC | Netcomm Ltd |
| NTM | Northern Manganese Limited |
| NTU | Northen Uranium Ltd |
| NTUOA | Northern Uranium Limited |
| NTUOB | Northern Uranium Limited |
| NUF | NuFarm Ltd |
| NUFKOA | Nufarm Limited |
| NUP | Nupower Resources Ltd |
| NUW | Nuworld Solutions Limited |
| NUWOA | Nuworld Solutions Limited |
| NUWOC | Nuworld Solutions Limited |
| NVG | Navaho Gold Limited |
| NVT | Navitas Ltd |
| NWE | Norwest Energy NL |