Regions of Canada
- Three Mountain Harbour
- Three Mountain Portage
- Three Mountains
- Three Mountain Summits
- Three Mount Bay
- Three Mount Lake
- Three Mount Point
- Threenarrows Lake
- Three Nations Lake
- Three Necked Pond
- Three-O-Three Bay
- Three Pine Island
- Three Pine Island
- Threepoint Creek
- Threepoint Lake
- Threepoint Lake
- Threepoint Mountain
- Three Pond Barrens
- Three Ponds
- Three Ponds Brook
- Three Ponds Brook
- Threeportage Lake
- Three Portages Rapids
- Three Rapids
- Three River Lake
- Three River Lake
- Three Rivers
- Three Rivers
- Three Rivers Point
- Three Rivers Pond
- Three Rock Chute
- Three Rock Cove
- Three Rock Cove
- Three Rock Cove
- Three Rock Cove Brook
- Three Rock Point
- Three Rocks
- Three Rocks
- Three Rocks
- Threesided Lake
- Three Sister Bluffs
- Three Sister Lakes
- Three Sisters
- Three Sisters
- Three Sisters
- Three Sisters
- Three Sisters Creek
- Three Sisters Creek
- Three SistersIslands
- Three Sisters Islands
- Three Sisters Islands
- Three Sisters Islands
- Three Sisters Islands
- Three Sisters Islands
- Three Sisters Islands
- Three Sisters Islands
- Three Sisters Islands
- Three Sisters Islands
- Three Sisters Islands
- Three Sisters Lake
- Three Sisters Lakes
- Three Sisters Lakes Park
- Three Sisters Range
- Three Sisters Rocks
- Three Sisters Shoals
- Three Snye Rapids
- Threestar Shoal
- Three Stick Pond
- Three Stick Ridge
- Three Sticks Cove
- Three Stone Lake
- Three Tom Brook
- Three Top Island
- Threetrails Lake
- Three Tree Creek
- Three Tree Creek
- Three Tree Creek Meadow
- Three Tree Creek Pond
- Three Tree Island
- Three Trees Point
- Three Valley
- Three Valley Lake
- Threeway Lake
- Threeway Swamp
- Three Way Swamp
- Three Wives Lake
- Threshold Peak
- Thrift Lake
- Throat Rapids
- Throat River
- Throggys Marsh
- Throne
- Throne Lake
- Throne Mountain
- Throop Creek
- Throop Lake
- Throoptown
- Through Creek
- Through Hill
- Throwback Mountain
- Thruline Lake
- Thrumb Islet
- Thrumcap
- Thrumcap
- Thrum Cap
- Thrum Cap
- Thrum Cap
- Thrum Cap
- Thrum Cap
- Thrum Cap
- Thrumcap Island
- Thrumcap Island
- Thrumcap Island
- Thrumcap Island
- Thrumcap Ledge
- Thrumcap Reef
- Thrumcap Rock
- Thrum Caps
- Thrumcap Shoal
- Thrumcap Shoal
- Thrumcap Spit
- Thrum Point
- Thrum Rock
- Thrums
- Thrush Creek
- Thrush Lake
- Thrush Lake
- Thrush Pond
- Thuban Point
- Thubun Lakes
- Thubun River
- Thuchonilini Lake
- Thudaka Creek
- Thudaka Peak
- Thudaka Range
- Thuerck Creek
- Thuerck Lake
- Thuja Lake
- Thule Creek
- Thulin Creek
- Thulin Lake
- Thulin Passage
- Thulme Peak
- Thulme River
- Thulsoo Mountain
- Thultue Lake
- Thumb Cap
- Thumb Cap
- Thumb Creek
- Thumb Hill
- Thumb Hill Creek
- Thumb Island
- Thumb Island
- Thumb Lake
- Thumb Mountain
- Thumb Peak
- Thumb Peak
- Thumb Point
- Thumb Point
- Thumb Point
- Thumb Point
- Thumb Rock
- Thumb Spire
- Thunder Bay District
- Thunder Bay
- Thunder Bay
- Thunder Bay
- Thunder Bay
- Thunder Bay
- Thunder Bay
- Thunder Bay
- Thunder Beach
- Thunderbird
- Thunderbird Creek
- Thunderbird Creek
- Thunderbolt Peak
- Thunder Bolt Pond
- Thunder Brook
- Thunder Cape
- Thunderchild
- Thunderchild First Nation 115B
- Thunderchild First Nation 115C
- Thunderchild First Nation 115D
- Thunderclap Glacier
- Thundercloud Creek
- Thundercloud Lake
- Thundercloud Range
- Thunder Cove
- Thunder Creek
- Thunder Creek
- Thunder Creek
- Thunder Creek
- Thunder Creek
- Thunder Creek
- Thunder Creek
- Thunder Creek
- Thunder Creek
- Thunder Creek
- Thunder Creek
- Thunder Falls