World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| North Walsham | GBNRM | United Kingdom |
| North Wildwood | USNW2 | United States of America (the) |
| North Woodstock | USYNO | United States of America (the) |
| North Woolwich | GBWOL | United Kingdom |
| Northampton | USNHM | United States of America (the) |
| Northbay | GBNRB | United Kingdom |
| Northern Endeavour | XZNTE | Installations in International Waters |
| Northern Endeavour | AUNTE | Australia |
| Northfleet | GBNFT | United Kingdom |
| Northmavine | GBNME | United Kingdom |