World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Nuku Hiva | PFNHV | French Polynesia |
| Nuku'alofa | TOTBU | Tonga |
| Nukunonu | TKNKU | Tokelau |
| Numana | ITNUM | Italy |
| Numazu | JPNUM | Japan |
| Nunohama | JPNNH | Japan |
| Nunukan | IDNNX | Indonesia |
| Nurme | EENRM | Estonia |
| Nurmes | FINUR | Finland |
| Nürnberg | DENUE | Germany |