Name
- Seymour-Conway, Francis Charles, 3rd Marquess of Hertford2
- Shuvalov, Andrei Petrovich, Count, Russian statesman2
- Shuvalov, Count2
- Shuvalov, Ivan2
- Simon and Lightly, commercial agents, London2
- Sinolian, Carl Leonhard, Baron, of Selburg2
- Sobolewski, Ignacy, Count, Polish statesman2
- Sobolewski, Josif, Count, Secretary to Russian Embassy in London2
- Soutsos, Michael, Prince, Greek diplomatist2
- Späth, Baroness, Lady of the Bedchamber to Victoria, Duchess of Kent2
- Staël-Holstein, Anne Louise Germaine de, Baroness al Madame Staël2
- Stewart, Amelia Anne, wife of Robert Viscount Castlereagh, 2nd Marquess of Londonderry2
- Stroganov, Sophia Vladimirovna, wife of Count Pavel A Stroganov2
- Stuart, Charles, Baron Stuart de Rothesay, diplomatist, 1779-18452
- Stuart, Elizabeth Margaret, wife of Charles, Baron Stuart de Rothesay 18282
- Sutton, Charles Manners-, Archbishop of Canterbury, 1755-18282
- Séguier, Armand Louis Maurice, Baron, French Consul-General in London2
- Temple, Henry John, 3rd Viscount Palmerston, Prime Minister, 1784-18652
- Thynne, Isabella Elizabeth, wife of Thomas, 2nd Marquess of Bath2
- Tolstoi, Anna Ivanova, wife of Count Nikolai Aleksandrovich Tolstoi2