Name
- Soboletschikoff, —, librarian of Imperial Library St Petersburg1
- Society for Promoting Christian Knowledge1
- Solander, Daniel Charles, botanist, 1733-17821
- Somerville, William, physician1
- Sorby, Henry Clifton, geologist1
- South, James, astronomer1
- Spencer, George John, 2nd Earl Spencer1
- Squire, William Barclay, CVO, Deputy Keeper of Printed Books British Museum1
- St Aulaine, Marquis de, French ambassador1
- Stanhope, Earl1
- Stanley, Edward George Geoffrey, 14th Earl of Derby, politician and prime minister, 1799-18691
- Stanley, Henry Edward John, 3rd Baron Stanley of Alderley1
- Stanley-Smith, Edward Henry, 25th Earl of Derby1
- Stephens, George, runic archaeologist, Professor of English and Anglo-Saxon at Copenhagen University1
- Stirling-Maxwell, William, 9th Baronet , historical writer1
- Strutt, Joseph, the younger, Librarian to Duke of Newcastle1
- Stuart, Charles, Baron Stuart de Rothesay, diplomatist, 1779-18451
- Sutton, Charles Manners-, 1st Viscount Canterbury, speaker of the House of Commons, 1780-18451
- Sutton, Charles Manners-, Archbishop of Canterbury, 1755-18281
- Swedish Archaeological Society1