So
- Soda Creek
- Sointula
- Sokatisewin Lake
- Solander Point
- Soldier Cove
- Soldiers Cove
- Solitude Lake
- Solmundsson Lake
- Solomon Island
- Solomon Ridge
- Solomon Temple
- Solomon's Temple Islands
- Solomons Temple Island
- Sombra
- Sombre Mountains
- Sombrio Point
- Somerset Island
- Somerville Island
- Somme
- Sommerset Island
- Sommerville Center
- Sonningdale
- Sonora
- Sons of the Clergy Islands
- Soo Canals
- Sooke
- Sooke Lake
- Sooneyaw Lake
- Soper River
- Sophia Bay
- Sophie Point
- Sops Arm
- Sops Island
- Sor Fiord
- Sorcerer Mountain
- Sorehead River
- Sorel
- Sorel
- Sorrento
- Sorry Harbour
- Soscumica Lake
- Soskumika Lake
- Soudou
- Soufflets River
- Soul Lake
- Soulanges
- Soulanges County
| - Soulier Lake
- Soulier Lake
- Sound Island
- Sound Island
- Sounding Creek
- Sounding Lake
- Sourdough Rapids
- Souris
- Souris
- Souris River
- Souris River
- Souris River
- Sours Lake
- South
- South Arm
- South Arm
- South Augusta
- South Aulatsivik Island
- South Bay
- South Bay
- South Bay
- South Bay
- South Bay
- South Baymouth
- South Bear Island
- South Bentinck Arm
- South Big Salmon River
- South Bight
- South Bluff Creek
- South Borden Island
- South Boundary Creek
- South Branch
- South Branch Isaac Creek
- South Branch Meduxnekeag River
- South Branch Twomile Brook
- South Brook
- South Brook
- South Brookfield
- South Cape
- South Cape
- South Cape Fiord
- South Caribou Hills
- South Chappuis Lake
- South Duck Islands
- South Easthope
- South Fiord
- South Fork
| - South Fork
- South Fork Belly River
- South Fork Hawkins Creek
- South Fork Meadow Creek
- South Fork Mountains
- South Fork Range
- South Fork Salmon River
- South Fork of Salmo River
- South Fowl Lake
- South Grant Glacier
- South Green Island
- South Hazelton
- South Head
- South Henik Lake
- South Indian
- South Indian Lake
- South Island
- South Joggings
- South Joggins
- South Junction
- South Knife Lake
- South Knife River
- South Lake
- South Lancaster
- South Leaf River
- South Long Range Mountains
- South Lowell Glacier
- South Macmillan River
- South Maitland
- South Maitland
- South March
- South Messier Lake
- South Muldrew Lake
- South Nahanni
- South Nahanni River
- South Nation River
- South Nelson
- South Ooglit Island
- South Pender Island
- South Point
- South Porcupine
- South Reefs
- South River
- South River
- South Road House
- South Roxton
- South Salmo River
| - South Saskatchewan Dam
- South Saskatchewan Reservoir
- South Saskatchewan River
- South Seal River
- South Shoals
- South Similkameen
- South Skerries
- South Sleeper Islands
- South Thompson River
- South Toulinguet Island
- South Tweedsmuir Island
- South Twillingate Island
- South Twin Island
- South Twin Lake
- South Twin Lake
- South Wabiskaw Lake
- South Wolf Island
- South Wolf Island
- South Wood Glacier
- South branch of Moose
- Southampton
- Southampton
- Southampton Island
- Southampton Island
- Southbank
- Southeast Ice Cap
- Southeast Rock
- Southend
- Southern Bay
- Southern Bay Station
- Southern Indian Lake
- Southern Lake
- Southern Passage
- Southey
- Southgate River
- Southport
- Souths Bay
- Southwest Arm
- Southwest Bay
- Southwest Gander River
- Southwest Point
- Southwest branch of Halfway
- Sovereign
- Sovereign Lake
- Sowden Lake
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