World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Ogasawara | JPOGA | Japan |
| Ogatsu | JPOAT | Japan |
| Ogdensburg | USOGS | United States of America (the) |
| Oggau | ATGGU | Austria |
| Ogi | JPOSG | Japan |
| Ogi, Ishikawa | JPOII | Japan |
| Ogi, Kagawa | JPOGK | Japan |
| Ogi, Niigata | JPOGI | Japan |
| Ogifushi | JPOGF | Japan |
| Oginohama | JPOGH | Japan |