- Saint Anne/Alderney Island
- Saint Aubin/Jersey Island
- Saint Austell
- Saint Helena Island
- Saint Helens
- Saint Mawgan
- Saint Peter Port
- Sale
- Salford
- Salisbury
- Saltash
- Sandbach
- Scarborough
- Scilly
- Scunthorpe
- Seaham
- Sevenoaks
- Shawbury
- Sheffield
- Shipley
- Shipton
- Shirley
- Shrewsbury
- Silverstone
- Sittingbourne
- Skelmersdale
- Skipton
- Skomer
- Slough
- Smethwick
- Snowdon
- Solihull
- South Shields
- Southampton
- Southend-on-Sea
- Southport
- Southwark
- Spalding
- St Albans
- St Helier
- Stafford
- Staines
- Stalybridge
- Staveley
- Stevenage
- Stirling
- Stockport
- Stocks Resvr
- Stockton-on-Tees
- Stoke-on-Trent
- Stoke on Trent
- Stonehaven
- Stornoway
- Stourbridge
- Strait Of Dover
- Stratford-upon-Avon
- Stratford On Avo
- Stretford
- Strood
- Stroud
- Sumburgh
- Sunderland
- Surbiton
- Sutton
- Sutton-in-Ashfield
- Sutton Coldfield
- Swadlincote
- Swansea
- Swindon
