All cities and villages in UK
- Sholden
- Shootend
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- Shorncliffe Camp
- Shorne
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- Shotesham Saint Mary
- Shotley
- Shotley Bridge
- Shotley Gate
- Shottermill
- Shottery
- Shotteswell
- Shottisham
- Shotton
- Shotwick
- Shouldham
- Shouldham Thorpe
- Shrawardine
- Shrawley
- Shrewley
- Shrewsbury
- Shrewton
- Shrivenham
- Shropham
- Shudy Camps
- Shugborough
- Shurdington
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- Shute
- Shuttington
- Sibbertoft
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- Sible Hedingham
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- Sicklinghall
- Sidbury
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- Sidestrand
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- Sidley
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- Sigglesthorne
- Silchester
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- Silian
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- Silloth
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- Silsoe
- Silton
- Silverdale
- Silverdale
- Silverstone
- Silverton
- Silvington
- Simonburn
- Simonsbath
- Simpson
- Sinclairtown
- Sinderby
- Singleton
- Sinnington
- Sion Mills
- Sirhowy
- Sissinghurst
- Siston
- Sittingbourne
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- Six Mile Bottom
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- The Six Towns
- Sizewell
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- Skateraw
- Skeabost
- Skeffington
- Skeffling
- Skegby
- Skigersta
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- Skegoniel
- Skelbo
- Skellingthorpe
- Skellow
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- Skelmorlie
- Skelsmergh
- Skelton
- Skelton
- Skelton
- Skelton
- Skendleby
- Skenfrith
- Skerne
- Skerries
- Skewen
- Skidby
- Skilgate
- Skillington
- Skinburness
- Skinidin
- Skinningrove
- Skipness
- Skipsea
- Skipton
- Skipwith
- Skirbeck
- Skirbeck Quarter
- Skirling
- Skirpenbeck
- Skirwith
- Skudiburgh
- Skullomie
- Skye of Curr
- Slade Green
- Slaggan
- Slaggyford
- Slaidburn
- Slaithwaite
- Slaley
- Slamannan
- Slapton
- Slapton
- Slapton
- Slateford
- Slaugham
- Slaughterford
- Slawston
- Sleaford
- Sledmere
- Sleightholme
- Sleights
- Slickly
- Sliddery
- Slimbridge
- Slindon
- Slindon
- Slinfold
- Slingsby
- Slioch
- Slough
- Smailholm
- Smallburgh
- Smalley
- Small Heath
- Smardale
- Smarden
- Smeafield
- Smeeth
- Smethwick
- Smisby
- Smithy Bridge
- Snailwell
- Snainton
- Snaith
- Snape
- Snaresbrook
- Snarestone
- Snargate
- Snave
- Snead
- Sneaton
- Snelland
- Snelston
- Snetterton
- Snettisham
- Snitter
- Snitterby
- Snitterfield
- Snodland
- Snowshill
- Soberton
- Soham
- Sole Street
- Solihull
- Sollas
- Sollom
- Solva
- Somerby
- Somerby
- Somerford Keynes
- Somerleyton
- Somersal Herbert
- Somersby
- Somersham
- Somersham
- Somerton
- Somerton
- West Somerton
- Sompting
- Sonning
- Sookholme
- Sopley
- Sopworth
- Sorbie
- Sorisdale
- Sorn
- Sotby
- Sotherton
- Sotterley
- Sotwell
- Soulbury
- Soulby
- Souldern
- Souldrop
- Sourlies
- Sourton
- Soutergate
- South Acre
- Southall
- Southam
- Southam
- Southampton
- South Bank
- South Barrow
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- South Benfleet
- Southborough
- Southbourne
- Southbourne
- South Brent
- South Brewham
- Southburgh
- Southburn
- South Cadbury
- South Carlton
- South Cave
- South Cerney
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- South Clifton
- South Cobbinshaw
- South Cockerington