- Tommy Island
- Township Rock
- Trafton Island
- Trafton Rock
- Treasure Island
- Treat Island
- Two Hour Rock
- Tatnic
- Tattle Corner
- Tea Kettle Corner
- Timber Island
- Tobeys Corner
- Tory Hill
- Town House Corners
- Trott Island
- Turbats Creek
- Tylers Corner
- Temple
- Trenton
- Troy
- Thomaston
- Topsfield
- Turner
- Tenants Harbor
- Turner Center
- The Forks
- Thorndike
- Topsham
- Tremont