| Soda Creek - British Columbia |
Souris - Prince Edward Island |
South Nelson - New Brunswick |
| Sointula - British Columbia |
South Augusta - Ontario |
South Porcupine - Ontario |
| Soldier Cove - Nova Scotia |
South Baymouth - Ontario |
South River - Ontario |
| Soldiers Cove - Nova Scotia |
South Branch - Newfoundland and Labrador |
South Road House - Quebec |
| Sombra - Ontario |
South Brook - Newfoundland and Labrador |
South Roxton - Quebec |
| Somme - Saskatchewan |
South Brookfield - Nova Scotia |
Southampton - New Brunswick |
| Sommerville Center - Nova Scotia |
South Easthope - Ontario |
Southampton - Ontario |
| Sonningdale - Saskatchewan |
South Fork - Saskatchewan |
Southampton Island - Nunavut |
| Sonora - Nova Scotia |
South Indian Lake - Manitoba |
Southbank - British Columbia |
| Sooke - British Columbia |
South Joggings - Nova Scotia |
Southend - Saskatchewan |
| Sops Arm - Newfoundland and Labrador |
South Joggins - Nova Scotia |
Southern Bay - Newfoundland and Labrador |
| Sorel-Tracy - Quebec |
South Junction - Manitoba |
Southern Bay Station - Newfoundland and Labrador |
| Sorrento - British Columbia |
South Lancaster - Ontario |
Southey - Saskatchewan |
| Soudou - New Brunswick |
South Maitland - Nova Scotia |
Southport - Newfoundland and Labrador |
| Sound Island - Newfoundland and Labrador |
South March - Ontario |
Sovereign - Saskatchewan |
| Souris - Manitoba |
South Nahanni - Northwest Territories |