World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Nieuwegein | NLNWG | Netherlands |
| Nieuwerbrug | NLNBG | Netherlands |
| Nieuwerkerk aan den IJssel | NLNIE | Netherlands |
| Nieuwerkerke | NLN8W | Netherlands |
| Nieuwolda | NLNWO | Netherlands |
| Nieuwpoort | BENIE | Belgium |
| Nigg | GBNGG | United Kingdom |
| Nigishima | JPNXG | Japan |
| Nigtevecht | NLNGV | Netherlands |
| Nii | JPNIX | Japan |