World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Duczki | PLDCZ | Poland |
| Dudinka | RUDUD | Russian Federation (the) |
| Duffel | BEDUF | Belgium |
| Duga Resa | HRRES | Croatia |
| Dugi Rat | HRDUR | Croatia |
| Duino | ITDNO | Italy |
| Duisburg | DEDUI | Germany |
| Duivendrecht | NLDVT | Netherlands |
| Dukenburg | NLDUG | Netherlands |
| Dukwi | BWDUK | Botswana |