- Thurston
- Tichenor Rock
- Tide
- Tideport
- Tidewater
- Tiernan
- Tierra Del Mar
- Tigard
- Tillamook
- Tillamook Rock
- Tiller
- Tillicum Beach
- Timber
- Timber Grove
- Tobias
- Toe Island
- Toketee Falls
- Toledo
- Tollgate
- Tolo
- Tolovana Park
- Tomahawk Island
- Tongue Point Village
- Tower Rock
- Tracy
- Trail
- Treharne
- Trenholm
- Trent
- Tri-City