World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Tyddewi (St David's) | GBTYD | United Kingdom |
| Tyee | USTE8 | United States of America (the) |
| Tyne | GBTYN | United Kingdom |
| Tynemouth | GBTYM | United Kingdom |
| Tysfjord | NOTYF | Norway |
| Tysnes | NOTYN | Norway |
| Tyssebotn | NOTSB | Norway |
| Tyssedal | NOTSX | Norway |
| Tysvær | NOTYV | Norway |
| Tytebærvika | NOTYT | Norway |