| Sicamous - British Columbia |
Silver Islet - Ontario |
Simpson - Saskatchewan |
| Sidney - British Columbia |
Silver Mountain - Ontario |
Simpson - Northwest Territories |
| Sidney - Manitoba |
Silver Park - Saskatchewan |
Siniyah - Nunavut |
| Sidney Inlet - British Columbia |
Silverdale - Newfoundland and Labrador |
Sintaluta - Saskatchewan |
| Sidney Mines - Nova Scotia |
Simcoe - Ontario |
Sioux Lookout - Ontario |
| Silcox - Manitoba |
Simmie - Saskatchewan |
Sirdad Junction - British Columbia |
| Sillery - Quebec |
Simoom Sound - British Columbia |
Sirdar - British Columbia |
| Silton - Saskatchewan |
Simoon Sound - British Columbia |
Six Mile Creek - British Columbia |