World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Chumen | CNCUM | China |
| Chumphon | THCHU | Thailand |
| Chungyang | KRCGY | Korea, Republic of |
| Church Bay, Rathlin Island | GBCUB | United Kingdom |
| Churchill | CACHV | Canada |
| Churui | JPCHU | Japan |
| Chusclan | FRG8R | France |
| Chuuk (ex Truk) | FMTKK | Micronesia, Federated States of |
| Chuya | RUCHU | Russian Federation (the) |
| Chuzhou | CNCHZ | China |