T
- Témiscaming
- Tête-de-l'Île
- Tadoussac
- Taits Beach
- Talbot
- Talbotville Royal
- Tamarack
- Tansley
- Tapley
- Taschereau
- Taunton
- Tecumseh
- Tecumseth Pines
- Tee Lake
- Teeterville
- Telfer
- Temperanceville
- Tent City
- Terra Cotta
- Terrasse-Vaudreuil
- Terra View Heights
- Terre-à-Fer
- Terrebonne
- Terres-Rompues
- Teston
- Tetreau
- Tewkesbury
- Thames Centre
- Thamesford
- Thames River Siding
- Thames Road
- Thamesville
- The Boyne
- The Brothers Indian Reserve No. 18
- Thedford
- The Four Corners
- The Gore
- The Grange
- The Sixth
- Thetford-Partie-Sud
- Thetford Mines
- Thetis Lake
- Thibeault Terrace
- Thickwood Heights
- Thomasburg
- Thompsonville
- Thomstown
- Thorah Beach
- Thorah Island
- Thorncliffe
- Thorndale
- Thornhill
- Thornlea
- Thornton
- Thornton Woods
- Thorold
- Thorold South
- Thorpe
- Thrasher's Corners
- Three Bridges
- Three Islands 3
- Thresher Corners
- Thunder Bay
- Thurso
- Tilbury
- Timiskaming 19
- Tingwick
- Tinkerville
- Tintern
- Tioga
- Tiverton
- Toimela
- Tom Longboat Corners
- Toovey Heights
- Tormore
- Toronto
- Toronto Islands
- Tottenham
- Tour-du-Nord
- Tourville
- Townsend Centre
- Toyes Hill
- Très-Saint-Rédempteur
- Très-Saint-Sacrement
- Trécesson
- Tracy
- Traders Cove
- Tranquille
- Transfiguration
- Trautrim Subdivision
- Travellers Rest
- Trenton
- Trepanier
- Tring-Jonction
- Trois-Lacs
- Trois-Pistoles
- Trois-Rives
- Trois-Rivières
- Trois-Rivières-Ouest
- Trois-Saumons
- Trois-Saumons-Station
- Trottier
- Trou-à-Gardner
- Trou-à-Pépette
- Trout Mills
- Troy
- Tsawwassen
- Tseatah 2
- Tsinstikeptum 9
- Tsinstikeptum 10
- Tuam
- Tuftsville
- Tullamore
- Tunnel 6
- Tupperville
- Turner's Corners
- Turners
- Turners Corners
- Turnerville
- Turtle Lake
- Tuttles Hill
- Twelve O'Clock Point
- Twin Island 10
- Two Guns
- Tyendinaga Mohawk Territory
- Tyotown
- Tyrconnell
- Tyrone
- Tzeachten 13
