- Sacred Heart Drive
- Sagebrush Court
- Sagebrush Street
- Saint Agnes Drive
- Saint Andrews Drive
- Saint Anne Boulevard
- Saint Anne Street
- Saint Antoine Street
- Saint Christopher Court
- Saint Clair Avenue
- Saint Denis Street
- Saint Etienne Boulevard
- Saint Francis Crescent
- Saint Gabriel Court
- Saint Gregory's Road
- Saint Jacques Street
- Saint James Street
- Saint John Street
- Saint Joseph Street
- Saint Julien Avenue
- Saint Louis Avenue
- Saint Luke Road
- Saint Mark's Road
- Saint Martin Crescent
- Saint Mary's Boulevard
- Saint Mary's Gate
- Saint Michael's Drive
- Saint Patrick's Avenue
- Saint Patrick's Drive
- Saint Paul Avenue
- Saint Pierre Street
- Saint Rose Avenue
- Saint Thomas Crescent
- Saint Thomas Street
- Salich Court
- Salina Avenue
- Salter Avenue
- Samantha Court
- Sand Point Court
- Sandison Street
- Sandlewood Court
- Sandwich Street
- Sandwich West Parkway
- Santa Street
- Santo Drive
- Sarah Court
- Sassafras Avenue
- Savanna Street
- Scarsdale Road
- Scenic Street
- Scofield Avenue
- Scotia Drive
- Secord Avenue
- Seminole Street
- Senator Street
- Seneca Street
- Settler's Street
- Seven Lakes Drive
- Seventh Concession Road
- Seventh Street
- Seville Avenue
- Seymour Boulevard
- Seymour Crescent
- Shadetree Court
- Shadetree Crescent
- Shady Spring Crescent
- Shamrock Street
- Shannon Place
- Sharon Avenue
- Shawn Avenue
- Shelley Court
- Shenandoah Crescent
- Shepherd Street East
- Shepherd Street West
- Sherway Drive
- Shields Street
- Shiff Drive
- Shinglecreek Court
- Shorain Grove
- Shorehaven Wynd
- Shoreview Circle
- Shoreview Court
- Short Malden Road
- Short Snake Lane
- Showdown Avenue
- Sierra Drive
- Silver Creek Industrial Drive
- Silver Maple
- Silverdale Drive
- Simard Crescent
- Sixth Concession Road
- Sixth Street
- Skinner Street
- Skyline Drive
- Slater Street
- Smeeton Drive
- Smith Crescent
- Snake Lane
- Snowcrest Street
- Socrates Court
- Socrates Crescent
- Soloman Street
- Somerville Street
- Somme Avenue
- Sorge Crescent
- Sorrento Court
- Souilliere Drive
- South Cameron Boulevard
- South National Street
- South Pacific Avenue
- South Pacific Street
- South Service Road East
- South Street
- Southdale Court
- Southdale Drive
- Southfield Drive
- Southpark Lane
- Southridge Court
- Southridge Street
- Southwind Crescent
- Southwinds Drive
- Southwood Lakes Boulevard
- Sovereign Drive
- Spago Crescent
- Spencer Avenue
- Spring Court
- Spring Garden Road
- Springhollow Drive
- Sprucewood Avenue
- Stagecoach Avenue
- Staniszewski Street
- Stanley Street
- Starway Avenue
- Starwood Lane
- State Street
- Stella Crescent
- Stephanie Court
- Sterling Crescent
- Steven Drive
- Stillmeadow Road
- Stonebrook Boulevard
- Stonescape Street
- Stoneybrook Crescent
- Strabane Avenue
- Stratford Court
- Strathmore Street
- Strawberry Drive
- Stuart Boulevard
- Sturgeon Street
- Suffolk Street
- Sugarwood Crescent
- Sumach Crescent
- Summer Court
- Sun Valley Drive
- Sunnyside Boulevard
- Sunrise Court
- Sunset Avenue
- Sunset Strip
- Superior Street
- Surrey Drive
- Sussex Court
- Sutherland Avenue
- Sutton Avenue
- Suzanne Street
- Sycamore Drive
- Sydney Avenue
- Sylvano Crescent
- Sylvestre Drive