- Sackville Street
- Saddle Crescent
- Sadler Crescent
- Sai Crescent
- Saint Andrew Street
- Saint Anthony Street
- Saint Bernard Street
- Saint Francis Street
- Saint Helen's Place
- Saint Laurent Boulevard
- Saint Patrick Street
- Saint Paul Avenue
- Saint Stephen's Street
- Salina Street
- Salisbury Place
- Sample Road
- Samuel Drive
- San Remo Private
- Sand Cherry Private
- Sandalwood Drive
- Sandford Fleming Avenue
- Sandhamn Private
- Sandhurst Court
- Sandra Avenue
- Sandridge Road
- Sandwalk Private
- Sanford Avenue
- Santa Cruz Private
- Saunders Avenue
- Saunderson Drive
- Saville Row
- Savoy Place
- Sawmill Private
- Saxton Private
- Scarlet Court
- Scholastic Drive
- Schoolhouse Private
- Scotia Place
- Scott Street
- Scout Street
- Scrivens Street
- Second Avenue
- Secord Avenue
- Selby Avenue
- Seneca Street
- Senio Avenue
- Sentier Private
- Séraphin-Marion Private
- Seth Private
- Severn Avenue
- Shamir Avenue
- Shane Street
- Shannon Street
- Sharel Drive
- Sharon Avenue
- Sharp Street
- Sheba Private
- Sheffield Road
- Sheldon Avenue
- Shellbrook Way
- Shelley Avenue
- Sherbourne Road
- Sherbrooke Avenue
- Sheridan Avenue
- Sherman Drive
- Sherwood Drive
- Shillington Avenue
- Shore Street
- Sidney Street
- Sienna Private
- Silver Street
- Silverlace Private
- Simcoe Street
- Simpson Road
- Sims Avenue
- Singer Place
- Sir George-Étienne Cartier Parkway
- Siren Private
- Sirois Avenue
- Skeena Avenue
- Skuce Private
- Skyway Street
- Sladen Avenue
- Slater Street
- Slidell Street
- Sloan Avenue
- Smirle Avenue
- Smyth Road
- Snowdon Street
- Soderlind Street
- Solace Court
- Solera Circle
- Somero Private
- Somerset Street East
- Somerset Street West
- Sonata Place
- South Haven Place
- South Keys Place
- Southampton Court
- Southcrest Private
- Southern Drive
- Southgate Road
- Southland Crescent
- Southmore Drive East
- Southmore Drive West
- Southport Drive
- Southvale Crescent
- Southwood Drive
- Spadina Avenue
- Sparks Street
- Sparrow Way
- Spartan Avenue
- Spencer Street
- Splinter Crescent
- Spring Court
- Springfield Road
- Springhurst Avenue
- Springland Drive
- Sproule Street
- Spruce Street
- Stamford Private
- Stanley Avenue
- Stanstead Road
- Stanton Road
- State Street
- Staten Way
- Station Boulevard
- Steele Park Private
- Steenbakkers Private
- Stevenage Drive
- Stevens Avenue
- Stevenson Avenue
- Stewart Street
- Stirling Avenue
- Stockport Private
- Stone Crescent
- Stone Quarry Private
- Stonehurst Avenue
- Stormont Street
- Straby Avenue
- Stratford Avenue
- Strathaven Private
- Strathcona Avenue
- Strathmore Boulevard
- Streamwood Lane
- Sturbridge Private
- Sudbury Avenue
- Summershade Private
- Summerville Avenue
- Summit Avenue
- Sunnymede Avenue
- Sunnyside Avenue
- Surrey Avenue
- Susan Street
- Sussex Drive
- Swain Avenue
- Swansea Crescent
- Sweetland Avenue
- Switzer Avenue