Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Triste Point | Cape | 17 | Prince of Wales-Outer Ketchikan (CA) | 55 25 05 N | 133 29 57 W |
| Trocadero Bay | Bay | 13 | Prince of Wales-Outer Ketchikan (CA) | 55 21 43 N | 133 01 37 W |
| Trollers Cove | Bay | -2 | Prince of Wales-Outer Ketchikan (CA) | 55 21 56 N | 132 12 13 W |
| Trout Creek | Stream | | Prince of Wales-Outer Ketchikan (CA) | 56 03 05 N | 133 41 45 W |
| Trout Hill | Summit | 233 | Prince of Wales-Outer Ketchikan (CA) | 55 08 29 N | 131 30 23 W |
| Trout Lake | Lake | 18 | Prince of Wales-Outer Ketchikan (CA) | 55 08 41 N | 131 29 15 W |
| Trumpeter Lake | Lake | 9 | Prince of Wales-Outer Ketchikan (CA) | 55 52 50 N | 132 37 56 W |
| Trunk Island | Island | -7 | Prince of Wales-Outer Ketchikan (CA) | 55 36 00 N | 131 53 01 W |
| Tuft Rock | Island | 0 | Prince of Wales-Outer Ketchikan (CA) | 55 34 33 N | 133 19 22 W |
| Tum Point | Cape | 1 | Prince of Wales-Outer Ketchikan (CA) | 54 52 33 N | 132 21 27 W |
| Tunga Inlet | Bay | 6 | Prince of Wales-Outer Ketchikan (CA) | 55 58 21 N | 133 15 20 W |
| Turn Island | Island | 0 | Prince of Wales-Outer Ketchikan (CA) | 54 52 08 N | 132 23 38 W |
| Turn Point | Cape | 48 | Prince of Wales-Outer Ketchikan (CA) | 55 15 44 N | 133 07 26 W |
| Turn Point | Cape | 35 | Prince of Wales-Outer Ketchikan (CA) | 55 26 12 N | 130 03 14 W |
| Turn Point | Cape | 12 | Prince of Wales-Outer Ketchikan (CA) | 55 50 39 N | 133 21 15 W |
| Turn Rock | Pillar | -10 | Prince of Wales-Outer Ketchikan (CA) | 55 10 00 N | 132 54 50 W |
| Turtle Island | Island | 56 | Prince of Wales-Outer Ketchikan (CA) | 55 38 52 N | 133 36 48 W |
| Tuxekan | Locale | 6 | Prince of Wales-Outer Ketchikan (CA) | 55 53 18 N | 133 14 36 W |
| Tuxekan Island | Island | 121 | Prince of Wales-Outer Ketchikan (CA) | 55 50 47 N | 133 16 46 W |
| Tuxekan Narrows | Channel | -3 | Prince of Wales-Outer Ketchikan (CA) | 55 52 39 N | 133 14 06 W |
| Tuxekan Passage | Channel | -8 | Prince of Wales-Outer Ketchikan (CA) | 55 49 34 N | 133 12 07 W |
| Tuxkan Dam | Dam | 61 | Prince of Wales-Outer Ketchikan (CA) | 56 18 00 N | 133 36 36 W |
| Twelvemile Arm | Bay | -3 | Prince of Wales-Outer Ketchikan (CA) | 55 27 30 N | 132 38 36 W |
| Twelvemile Arm Kasaan Bay | Bay | 0 | Prince of Wales-Outer Ketchikan (CA) | 55 32 00 N | 132 31 00 W |
| Twelvemile Creek | Stream | | Prince of Wales-Outer Ketchikan (CA) | 55 20 59 N | 132 43 58 W |
| Twelvemile Creek | Stream | -3 | Prince of Wales-Outer Ketchikan (CA) | 55 21 00 N | 133 44 00 W |
| Twenty Fathom Bank | Bar | -5 | Prince of Wales-Outer Ketchikan (CA) | 55 20 30 N | 132 07 00 W |
| Twin Island Lake | Lake | 71 | Prince of Wales-Outer Ketchikan (CA) | 56 09 48 N | 133 12 53 W |
| Twin Islands | Island | 0 | Prince of Wales-Outer Ketchikan (CA) | 55 08 27 N | 131 13 02 W |
| Twin Islands | Island | -2 | Prince of Wales-Outer Ketchikan (CA) | 55 55 00 N | 133 21 22 W |