Regions of Canada
- Thrasher Creek
- Thrasher Lake
- Thrasher Lake
- Thrasher Lake
- Thrasher Lake
- Thrasher Rock
- Thrashers Bay
- Thrasher's Corners
- Thrashers Pond
- Thread Creek
- Thread Lake
- Three Arm Creek
- Three Arm Pond
- Three Arms
- Three Arms
- Three Arms Island
- Three Aunt Kates
- Three Barrel Lake
- Three Bar Three Flats
- Threebass Lake
- Three Bay Cove
- Threebay Lake
- Three Bears Mountain
- Threebee Lake
- Three Bridge Brook
- Three Bridges
- Three Bridges Brook
- Three Brooks
- Three Brooks
- Three Brooks
- Three Brooks
- Three Brooks
- Three Brooks
- Three Brooks Cove
- Three Brooks Cove
- Three Brooks Pond
- Three Brooks Pool
- Three Brothers Falls
- Three Brothers Lakes
- Three Brothers Mountain
- Three Brothers Peaks
- Three Brothers Rapids
- Three Cabin Creek
- Three Cabin Creek
- Three Corner Brook
- Threecorner Creek
- Three Cornered Lake
- Three Cornered Lake
- Three Cornered Lake
- Three Cornered Lake
- Three Cornered Lake
- Three Cornered Lake
- Three Cornered Lake
- Three Corner Gully
- Threecorner Lake
- Threecorner Lake
- Threecorner Lake
- Three Corner Lake
- Three Corner Pond
- Three Corner Pond
- Three Corner Pond
- Three Corner Pond
- Three Corner Pond
- Three Corner Pond
- Three Corner Pond
- Three Corner Pond
- Three Corner Pond
- Three Corner Pond
- Three Corner Pond
- Three Corner Pond
- Three Corner Pond
- Three Corner Pond
- Three Corner Pond
- Three Corner Pond Break
- Three Creek
- Three Creeks
- Three Day Lake
- Three Duck Lakes
- Three Duck Ponds
- Three Fathom Harbour
- Three Fathom Harbour
- Three Fathom Patches
- Three Fathom Shoal
- Three Fathom Shoal
- Three Fathom Shoal
- Three Fathom Shoal
- Three Finger Creek
- Three Finger Lake
- Three Finger Lake
- Three Finger Lake
- Three Finger Peak
- Threefork Creek
- Three Forks
- Three Forks Creek
- Three Forks Lake
- Three Guardsmen Lake
- Three Guardsmen Mountain
- Three Guardsmen Pass
- Three Gully River
- Three Headed Rock
- Three Hills
- Three Hills
- Threehills Creek
- Three Holes
- Threehouse
- Threehouse Lake
- Three Hummocks
- Three Island Cove
- Three Island Harbour
- Three Island Lake
- Three Island Lake
- Three Island Lake
- Three Island Lake
- Three Island Lake
- Three Island Lake
- Three Island Lake
- Three Island Pond
- Three Island Pond
- Three Island Pond
- Three Island Pond
- Three Island Pond
- Three Island Runs
- Three Islands
- Three Islands
- Three Islands
- Three Islands
- Three Islands Cove
- Three Islands Eddy
- Three Islands Indian Reserve 3
- Three Islands Lake
- Three Islands Pond
- Three Isle Creek
- Three Isle Lake
- Three Isle Lake
- Three Islets
- Three Kettle Lake
- Three Kings Creek
- Three Ladies Mountain
- Three Lake
- Threelake Creek
- Three Lakes
- Three Lakes
- Three Lakes Creek
- Three Lakes No. 400
- Three Lakes Ridge
- Three Lake Valley
- Three Legged Lake
- Three Legged Lake
- Three Mast Pond
- Three Mile Bay
- Three Mile Bay
- Threemile Brook
- Three Mile Brook
- Three Mile Brook
- Three Mile Brook
- Three Mile Brook
- Three Mile Brook
- Three Mile Creek
- Three Mile Creek
- Three Mile Creek
- Three Mile Creek
- Three Mile Creek
- Three Mile Gap
- Threemile Lake
- Threemile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Three Mile Lake
- Threemile Narrows
- Three Mile Narrows
- Three Mile Narrows
- Three Mile Plains
- Three Mile Point
- Three Mile Point
- Three Mile Point
- Three Mile Pond
- Three Mile Pond
- Three Mile Rapid
- Three Mile Rapids
- Three Mile Rock
- Three Mile Rock
- Three Mile Steady
- Three Minute Creek
- Three Mountain Harbour