- Saint Bruno's Circle
- Saint Paul's Crescent
- Saint Vincent Square
- Saint Vincent Street
- Salem Road
- Sampson Street
- Sandalwood Court
- Sandringham Drive
- Sanford Street
- Sarjeant Drive
- Saunders Road
- Sawmill Road
- Saxon Road
- Scott Crescent
- Seadon Road
- Seaforth Street
- Sedgewood Way
- Seline Crescent
- Selkirk Crescent
- Serena Lane
- Seymour Crescent
- Shadowood Road
- Shaina Court
- Shakespeare Crescent
- Shalom Way
- Shamrock Lane
- Shannon Street
- Shanty Bay Road
- Shaw Crescent
- Sheila Way
- Shelley Lane
- Sherwood Court
- Shirley Avenue
- Shoreview Drive
- Short Street
- Shortreed Court
- Silver Maple Crescent
- Silver Trail
- Silvercreek Crescent
- Simcoe Street
- Simmons Crescent
- Simoro Crescent
- Sinclair Court
- Ski Trail Road
- Snelgrove Crescent
- Snow Valley Road
- Snowden Avenue
- Snowshoe Trail
- Snowy Owl Crescent
- Sophia Street East
- Sophia Street West
- Southview Road
- Southwoods Crescent
- Sovereign's Gate
- Spearin Court
- Speirs Road
- Spencer Drive
- Sperling Drive
- Springdale Drive
- Springhome Road
- Springwood Court
- Sproule Drive
- Spruce Crescent
- Srigley Street
- Stanley Street
- Stapleton Place
- Steel Street
- Stephanie Lane
- Stollar Boulevard
- Stoneybrook Crescent
- Strabane Avenue
- Strathmore Place
- Stroud Place
- Stuart Avenue
- Stunden Lane
- Succession Crescent
- Sumac Street
- Summerset Drive
- Sun King Crescent
- Sundew Drive
- Sunnidale Road
- Sunset Place
- Surrey Drive
- Susan Place
- Sydenham Wells
- Sylvia Street