World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Kollsnes Øst | NOKOL | Norway |
| Kollum | NLKLM | Netherlands |
| Kollund Mole | DKKDM | Denmark |
| Köln | DECGN | Germany |
| Kolobrzeg | PLKOL | Poland |
| Kolonodale | IDKNL | Indonesia |
| Kolpashevo | RUKVO | Russian Federation (the) |
| Koltogorskiye | RUKLT | Russian Federation (the) |
| Kolvereid | NOKLD | Norway |
| Komarno Port | SKKNP | Slovakia |