World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Korzenna | PLKZ4 | Poland |
| Kos | GRKGS | Greece |
| Kosagi | CIKOS | Côte d'Ivoire |
| Kosbach | DEKB6 | Germany |
| Kose | JPKOS | Japan |
| Koshi | JPAPP | Japan |
| Koshima | JPKJJ | Japan |
| Koskenkorva | FIKKV | Finland |
| Kosor | CZKOQ | Czechia |
| Kosrae (ex Kusaie) | FMKSA | Micronesia, Federated States of |