Cities
- Taits Beach ON
- Talbot ON
- Tamworth ON
- Tar Island ON
- Tara ON
- Tarbert ON
- Tartan ON
- Tate Corners ON
- Tavistock ON
- Taylor Corners ON
- Tayside ON
- Tecumseh ON
- Teeswater ON
- Teeterville ON
- Tehkummah ON
- Temple Hill ON
- Tent City ON
- Terra Cotta ON
- Terra Nova ON
- Teston ON
- Teviotdale ON
- Thames Centre ON
- Thames Road ON
- Thamesford ON
- Thamesville ON
- The Archipelago ON
- The Blue Mountains ON
- The Boyne ON
- The Glen ON
- The Gore ON
- The Grove ON
- The Gully ON
- The Island ON
- The Maples ON
- The Meadows ON
- The Nation ON
- The Ninth ON
- The North Shore ON
- The Outlet ON
- The Pines ON
- The Ridge ON
- The Rollway ON
- The Sixth ON
- Thedford ON
- Thistle ON
- Thomasburg ON
- Thorah Beach ON
- Thorah Island ON
- Thorel House ON
- Thorel ON
- Thornbury ON
- Thorncliffe ON
- Thorndale ON
- Thornton ON
- Thorold ON
- Thrasher s Corners ON
- Thunder Beach ON
- Thurlow ON
- Tichborne ON
- Tilbury W ON
- Tillsonburg ON
- Tilting NL
- Timber Lake ON
- Tincap ON
- Tindle Bay ON
- Tintern ON
- Tiny ON
- Tioga ON
- Tiverton ON
- Toanche ON
- Tobin Island ON
- Toledo ON
- Tollendale ON
- Tolmie ON
- Tolmies Corners ON
- Tomelin Bluffs ON
- Topcliff ON
- Topping ON
- Toronto ON
- Torrance ON
- Tory Hill ON
- Townsend Centre ON
- Townsend ON
- Toyes Hill ON
- Toys Hill ON
- Tralee ON
- Traverston ON
- Treadwell ON
- Trecastle ON
- Trend Village ON
- Trent Hills ON
- Trent River ON
- Trenton ON
- Tres-Saint-Redempteur QC
- Trinity ON
- Triple Bay Park ON
- Triton NL
- Trois-Rives QC
- Trois-Rivieres QC
- Trout Lake ON
- Trout Mills ON
- Trowbridge ON
- Troy ON
- Tubbs Corners ON
- Tudor and Cashel ON
- Tuftsville ON
- Tuners Corners ON
- Tupperville ON
- Turkey Point ON
- Turners ON
- Turnerville ON
- Turriff ON
- Turtle Lake ON
- Tweed ON
- Twelve O Clock Point ON
- Twin Elm ON
- Twleve O Clock Point ON
- Tyneside ON
- Tyotown ON
- Tyrconnell ON
- Tyrone ON
- Tyrrell ON