World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Buchan | GBUCN | United Kingdom |
| Buchanan | LRUCN | Liberia |
| Buck's Cross | GBBCR | United Kingdom |
| Buckden | GBBKD | United Kingdom |
| Buckden | GBNY2 | United Kingdom |
| Buckeye Lake | USBFY | United States of America (the) |
| Buckie | GBBUC | United Kingdom |
| Bucksport | USBUP | United States of America (the) |
| Budai | TWBDA | Taiwan (Province of China) |
| Budapest | HUBUD | Hungary |