Seznam poslanců ve Spojeném království: S - List of United Kingdom MPs: S - Wikipedia
Následuje neúplný seznam minulosti a současnosti Členové parlamentu (MPs) Spojeného království, jejichž příjmení začínají S. Data v závorkách jsou období, za která byli poslanci.
- Michael Thomas Sadler
- Timothy Sainsbury
- Shapurji Saklatvala
- Alex Salmond
- Titusova sůl
- Alfred Salter
- Martin Salter (1997–2010)
- David Samuel, 3. vikomt Samuel
- Herbert Samuel, 1. vikomt Samuel
- Adrian Sanders
- Bobby Sands
- Duncan Sandys
- Mohammad Sarwar
- Philip Sassoon
- Malcolm Savidge
- Phil Sawford
- Jonathan Sayeed
- C. P. Scott
- Lee Scott
- Edwin Scrymgeour
- Alison Seabeck (2005 – dosud)
- Brian Sedgemore
- Charles Sedley
- Charles Seely
- Sir Charles Seely, 2. baronet
- Sir Charles Seely, 1. baronet
- Andrew Selous
- David Shackleton (1902–1910)
- Edward Shackleton, baron Shackleton
- Grant Shapps
- Richard Sharples
- Jonathan Shaw
- Hartley Shawcross
- Barry Sheerman
- Robert Sheldon
- Gillian Shephard
- Richard Shepherd
- William Shepherd
- James Sheridan
- Michael Shersby
- Baron Sherwood
- Hugh Seely, 1. baron Sherwood
- Manny Shinwell
- Debra Shipley
- Peter Shore
- Clare Short (1983–2010)
- Edward Short, baron Glenamara
- Edward Shortt
- Lewis Silkin, 1. baron Silkin
- Samuel Silkin, baron Silkin z Dulwichu
- Jim Sillars
- Sydney Silverman
- Mark Simmonds
- John Simon
- Siôn Simon
- Alan Simpson
- David Simpson
- Keith Simpson
- Archibald Sinclair, 1. vikomt Thurso
- John Sinclair, 3. vikomt Thurso
- Marsha Singh
- Trevor Skeet
- Dennis Skinner
- Andy Slaughter
- William Malý
- Andrew Smith
- Angela Smith z Basildonu
- Angela Smith (z South Yorkshire)
- Cyril Smith
- F. E. Smith, 1. hrabě z Birkenhead
- Geraldine Smith
- Jacqui Smith
- John Smith
- John Smith
- Llew Smith
- Sir Robert Smith, 3. Baronet
- Tim Smith
- Sir John Smyth, 1. Baronet
- Martin Smyth
- Peter Snape, baron Snape
- Anne Snelgrove
- Harry Snell, první baron Snell
- Philip Snowden, 1. vikomt Snowden
- Christopher Soames, baron Soames
- Nicholas Soames
- Clive Soley
- Donald Bradley Somervell, baron Somervell
- Frank Soskice
- Anna Soubry
- Peter Soulsby
- Helen Southworth
- Keith Speed
- John Spellar
- Caroline Spelman
- Michael Spicer
- Bob Spink
- Richard Spring
- Rachel Squire
- Robin Squire
- Nick St Aubyn
- Henry St John
- Norman St John-Stevas, baron St John z Fawsley
- Edward Stanley, lord Stanley
- John Stanley
- Oliver Stanley
- Phyllis Starkey
- David Steel
- Tom Steele
- Anthony Steen
- Gerry Steinberg
- Nicol Stephen
- George Stevenson
- David Stewart
- Donald Stewart
- Ian Stewart
- Michael Stewart
- Sir William Stirling-Maxwell, 9. Baronet
- Howard Stoate
- Richard Stokes
- John Stonehouse
- Roger Stott
- Gavin Strang
- Innes Harold Cizinec
- George Smythe, 7. vikomt Strangford
- Jack Straw
- Graham Stringer
- Richard Strode
- Gisela Stuart
- Graham Stuart
- James Stuart, 1. vikomt Stuart z Findhornu
- Charles Beilby Stuart-Wortley, 1. baron Stuart z Wortley
- Andrew Stunell
- Thomas Stuttaford
- David Sumberg
- Joseph Sunlight
- Gerry Sutcliffe
- Desmond Swayne
- John Swinburne, 7. Baronet
- John Swinney
- Jo Swinson
- Hugo Swire
- Robert Syms