- St. Ives
- St. Jacobs
- St. Marys
- St. Ola
- St-Onge
- St. Pauls Station
- St. Thomas
- Staffa
- Stanley
- Stanley Corners
- Stanley House
- Stanleyville
- Stanton
- Stapledon
- Star Corners
- Stardale
- Starkville
- Starrat
- Stayner
- Ste-Anne-de-Prescott
- Steep Rock Lake
- Stella
- Stevensville
- Stewart Farm
- Stewart Hall
- Stewart Heights
- Stewartville
- Stirling
- Stirling Falls
- Stirton