World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Narva Linnasadam | EEJOS | Estonia |
| Narva-Jõesuu Sadam | EENJS | Estonia |
| Narvik | NONVK | Norway |
| Naryan Mar | RUNNM | Russian Federation (the) |
| Narym | RUNAR | Russian Federation (the) |
| Näs | SENAS | Sweden |
| Nasa | JPNSX | Japan |
| Nashville | USVQV | United States of America (the) |
| Nashville | USBNA | United States of America (the) |
| Nasipit/Masao | PHNAS | Philippines (the) |