- Sabatino Court
- Saint Anne's Crescent
- Saint Catherine Street
- Saint Joseph Street
- Saint Lukes Avenue
- Saint Mary's Street
- Saint Patrick Street
- Saint Paul's Street
- Sandalwood Drive
- Sanderson Court
- Saugeen Crescent
- Sawmill Road
- Schneider Place
- Scollard Crescent
- Scollard Drive
- Scollard Road
- Seneca Road
- Settlers Ridge
- Severn Road
- Shelbourne Street
- Sherbrooke Street
- Sherbrooke Street West
- Sherburne Street
- Sheridan Street
- Sherin Avenue
- Sherwood Crescent
- Shirley Avenue
- Silverdale Road
- Simcoe Street
- Simmons Avenue
- Simons Avenue
- Smithside Court
- Snelgrove Road
- Sophia Street
- Southlawn Drive
- Southpark Drive
- Spencley's Lane
- Spillsbury Drive
- Springbrook Drive
- Springwood Road
- Spruce Avenue
- Stanley Avenue
- Stannor Drive
- Steele Avenue
- Stenson Boulevard
- Stewart Drive
- Stewart Place
- Stewart Street
- Stewartcroft Crescent
- Stocker Road
- Stonebridge Court
- Stormont Street
- Stornoway Place
- Stratton Avenue
- Sumac Street
- Summer Lane
- Summerhill Drive
- Summit Drive
- Sunnylea Court
- Sunnylea Street
- Sunset Boulevard
- Sutherland Place
- Swanston Avenue
- Sydenham Road