World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Yoro | JPYOR | Japan |
| Yoshiase | JPYSS | Japan |
| Yoshida, Aichi | JPYDA | Japan |
| Yoshida, Ehime | JPYSD | Japan |
| Yoshima | JPYSM | Japan |
| Yoshinozaki | JPYSN | Japan |
| Yoshiumi | JPYHI | Japan |
| Yoshiura | JPYSU | Japan |
| Yoshiura/Misumi | JPYSR | Japan |
| Yoshiura/Yunotsu | JPYHA | Japan |