World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Uturoa | PFUTU | French Polynesia |
| Utvorda | NOUTV | Norway |
| Utzenstorf | CHTZE | Switzerland |
| Uummannaq | GLUMD | Greenland |
| Uusi-Valamo/Heinävesi | FIUUS | Finland |
| Uusikaarlepyy (Nykarleby) | FIUKP | Finland |
| Uusikaupunki (Nystad) | FIUKI | Finland |
| Uvala Mir | HRUVM | Croatia |
| Uwajima | JPUWA | Japan |
| Uwchland | USUWC | United States of America (the) |