World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Kopervik | NOKOP | Norway |
| Kopi | PGKOP | Papua New Guinea |
| Köping | SEKOG | Sweden |
| Köpmanholmen | SEKMH | Sweden |
| Kopparverkshamnen | SEKVH | Sweden |
| Koppel | USKPP | United States of America (the) |
| Koppigen | CHKPP | Switzerland |
| Korcula | HRKOR | Croatia |
| Korf | RUKRF | Russian Federation (the) |
| Körfez | TRKFZ | Türkiye |