T
- (Skeena-Queen Charlotte Regional District) Treble Island
- (Regional District of Alberni-Clayoquot) Treble Islands
- (Cowichan Valley Regional District) Tree Island
- (Regional District of Mount Waddington) Tree Islets
- (Skeena-Queen Charlotte Regional District) Tree Nob Group
- (Regional District of Kitimat-Stikine) Trenaman Island
- (Capital Regional District) Trevor Islet
- (Capital Regional District) Trial Islands
- (Regional District of Mount Waddington) Triangle Island
- (Central Coast Regional District) Tribal Group
- (Regional District of Alberni-Clayoquot) Trickett Island
- (Skeena-Queen Charlotte Regional District) Triple Islands
- (Central Coast Regional District) Triplet Islands
- (Central Coast Regional District) Triquet Island
- (Regional District of Mount Waddington) Trivett Island
- (Skeena-Queen Charlotte Regional District) Trunk Island
- (Regional District of Kitimat-Stikine) Truro Island
- (Regional District of Kitimat-Stikine) Trutch Island
- (Central Coast Regional District) Tuft Islands
- (Skeena-Queen Charlotte Regional District) Tuft Islets
- (Regional District of Nanaimo) Tugboat Island
- (Skeena-Queen Charlotte Regional District) Tugwell Island
- (Capital Regional District) Tumbo Island
- (Sunshine Coast Regional District) Turnagain Island
- (Central Coast Regional District) Turner Islands
- (Regional District of Alberni-Clayoquot) Turner Islet
- (Strathcona Regional District) Turn Island
- (Regional District of Alberni-Clayoquot) Turret Island
- (Regional District of Alberni-Clayoquot) Turtle Island
- (Sunshine Coast Regional District) Tuwanek