World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Cotonou | BJCOO | Benin |
| Cottesloe | AUCTE | Australia |
| Cottles Bridge | AUCTT | Australia |
| Cottrellville | US2TT | United States of America (the) |
| Couillet | BECOU | Belgium |
| Council Grove | USUGE | United States of America (the) |
| Country Harbour | CACOH | Canada |
| Courcelles | BECCS | Belgium |
| Courtenay | CACOU | Canada |
| Courtright | CACRR | Canada |