- Sackville
- Sackville North
- Saddleback Mountain
- Sadleir
- Safety Beach
- Salamander Bay
- Salisbury
- Salisbury Plains
- Sallys Flat
- Salt Ash
- Saltwater
- San Isidore
- San Remo
- Sancrox
- Sanctuary Point
- Sandbar
- Sandgate
- Sandigo
- Sandilands
- Sandon
- Sandringham
- Sandy Beach
- Sandy Creek
- Sandy Crossing
- Sandy Flat
- Sandy Gully
- Sandy Hill
- Sandy Hollow
- Sandy Point
- Sans Souci
- Sapphire
- Sapphire Beach
- Saratoga
- Sassafras
- Satur
- Saumarez
- Saumarez Ponds
- Savernake
- Sawpit Creek
- Sawtell
- Sawyers Gully
- Scarborough
- Scheyville
- Schofields
- Scone
- Scotchman
- Scotland Island
- Scotts Creek
- Scotts Flat
- Scotts Head
- Seaforth
- Seaham
- Seahampton
- Seal Rocks
- Sebastopol
- Sedgefield
- Seelands
- Sefton
- Segenhoe
- Settlement City
- Seven Hills
- Seven Hills West
- Seven Oaks
- Sextonville
- Shadforth
- Shalvey
- Shanes Park
- Shannon Brook
- Shannon Vale
- Shannondale
- Shannons Flat
- Shark Creek
- Sharps Creek
- Shell Cove
- Shellharbour
- Shellharbour City Centre
- Shelly Beach
- Sherwood
- Shipley
- Shoal Bay
- Shoalhaven Heads
- Shooters Hill
- Shortland
- Silent Grove
- Silverdale
- Silverton
- Silverwater
- Simpkins Creek
- Singleton
- Singleton Heights
- Singleton Milpo
- Six Mile Flat
- Six Mile Swamp
- Skennars Head
- Skillion Flat
- Skinners Shoot
- Sleepy Hollow
- Smeaton Grange
- Smiggin Holes
- Smithfield
- Smithfield West
- Smiths Creek
- Smiths Lake
- Smithtown
- Snakes Plain
- Snowball
- Snowy Plain
- Sodwalls
- Sofala
- Soldiers Point
- Somersby
- Somerton
- South Albury
- South Arm
- South Ballina
- South Bathurst
- South Bowenfels
- South Broken Hill
- South Coogee
- South Durras
- South Golden Beach
- South Grafton
- South Gundagai
- South Gundurimba
- South Guyra
- South Hurstville
- South Kempsey
- South Lismore
- South Maitland
- South Maroota
- South Nowra
- South Pambula
- South Penrith
- South Tacoma
- South Turramurra
- South Wentworthville
- South West Rocks
- South Windsor
- South Wolumla
- Southgate
- Speers Point
- Speewa
- Speewa Island
- Spencer
- Spicers Creek
- Spit Junction
- Splitters Creek
- Spring Creek
- Spring Farm
- Spring Flat
- Spring Grove
- Spring Hill
- Spring Mountain
- Spring Plains
- Spring Ridge
- Spring Terrace
- Spring Valley
- Springdale
- Springdale Heights
- Springfield
- Springside
- Springvale
- Springwood
- St Albans
- St Andrews
- St Clair
- St Fillans
- St George
- St Georges Basin
- St Helena
- St Helens Park
- St Huberts Island
- St Ives
- St Ives Chase
- St Johns Park
- St Leonards
- St Marys
- St Marys East
- St Marys South
- St Pauls
- St Peters
- Stanborough
- Stanbridge
- Stanford Merthyr
- Stanhope
- Stanhope Gardens
- Stanmore
- Stannifer
- Stannum
- Stanwell Park
- Stanwell Tops
- Steam Plains
- Steeple Flat
- Steinbrook
- Stephens Creek
- Stewarts Brook
- Stewarts Mount
- Stewarts River
- Stockinbingal
- Stockrington
- Stockton
- Stockyard Creek
- Stokers Siding
- Stonehenge
- Stony Chute
- Stony Creek
- Stony Crossing
- Stotts Creek
- Stratford
- Strathcedar
- Stratheden
- Strathfield
- Strathfield South
- Strawberry Hills
- Stroud
- Stroud Road
- Stuart Town
- Stuarts Point
- Stubbo
- Stud Park
- Suffolk Park
- Suma Park
- Summer Hill
- Summer Hill Creek
- Summer Island
- Summerland Point
- Sun Valley
- Sunny Corner
- Sunnyside
- Sunshine
- Sunshine Bay
- Suntop
- Surf Beach
- Surfside
- Surry Hills
- Sussex Inlet
- Sutherland
- Sutton
- Sutton Forest
- Swan Bay
- Swan Creek
- Swan Vale
- Swanbrook
- Swanhaven
- Swans Crossing
- Swansea
- Swansea Heads
- Sweetmans Creek
- Sydenham
- Sydney
- Sydney Domestic Airport
- Sydney International Airport
- Sydney Markets
- Sydney South
- Sylvania
- Sylvania Southgate
- Sylvania Waters