Canada
Countries of the world
T
- (Strathcona Regional District) Twin Islands
- (Skeena-Queen Charlotte Regional District) Topping Islands
- (Regional District of Alberni-Clayoquot) Tiny Group
- (Regional District of Mount Waddington) Tinson Islands
- (Strathcona Regional District) Thurlow Islands
- (Regional District of Kitimat-Stikine) Three Sisters Islands
- (Strathcona Regional District) Thornton Islands
- (Sunshine Coast Regional District) Thormanby Islands
- (Regional District of Kitimat-Stikine) Thistleton Islands
- (Charlotte County) The Wolves
- (Saint John County) The Brothers
- (Skeena-Queen Charlotte Regional District) Tar Islands
- (Central Coast Regional District) Typhoon Island
- (Regional District of Mount Waddington) Twin Islets
- (Regional District of Alberni-Clayoquot) Turret Island
- (Strathcona Regional District) Turn Island
- (Regional District of Alberni-Clayoquot) Turner Islet
- (Regional District of Alberni-Clayoquot) Turtle Island
- (Sunshine Coast Regional District) Turnagain Island
- (Capital Regional District) Tumbo Island
- (Skeena-Queen Charlotte Regional District) Tugwell Island
- (Regional District of Nanaimo) Tugboat Island
- (Skeena-Queen Charlotte Regional District) Tuft Islets
- (Charlotte County) Tub Island
- (Regional District of Kitimat-Stikine) Trutch Island
- (Regional District of Kitimat-Stikine) Truro Island
- (Skeena-Queen Charlotte Regional District) Trunk Island
- (Regional District of Mount Waddington) Triangle Island
- (Capital Regional District) Trevor Islet
- (Regional District of Kitimat-Stikine) Trenaman Island