World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Nouadhibou | MRNDB | Mauritania |
| Nouakchott | MRNKC | Mauritania |
| Nouméa | NCNOU | New Caledonia |
| Nousiainen (Nousis) | FINOU | Finland |
| Nouveau Port Safi, Sidi Boudenyan | MANPS | Morocco |
| Nova Olinda do Norte | BRNON | Brazil |
| Nõva Sadam | EENVA | Estonia |
| Nova Siri | ITNSR | Italy |
| Nova Sofala | MZNSO | Mozambique |
| Novaglia | HRNOV | Croatia |