World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Miyazaki, Miyazaki | JPKMI | Japan |
| Miyazu | JPMIY | Japan |
| Miyoshi, Tokushima | JPMYT | Japan |
| Miyun | CNMIY | China |
| Mizusaki | JPMZS | Japan |
| Mizushima | JPMIZ | Japan |
| Mjoeyrarhofn | ISMJH | Iceland |
| Mjofjördur | ISMJO | Iceland |
| Mjølkevikvarden | NOMVV | Norway |
| Mjølstadneset | NOMSD | Norway |