Name
- Society of Friends of Foreigners in Distress1
- Somerset, Fitzroy James Henry, 1st Baron Raglan, Field-Marshal1
- Sousa Botelho Mourao e Vasconcellos, José Luiz, Conde de Villa Real1
- South, James, astronomer1
- Souza-Coutinho, Domingo Antonio, Conde de Funchal, Portuguese Envoy in London1
- Speransky, Mikhail Mikhailovich, Russian statesman1
- Spies, Vasily Ivanovich, Russian diplomatist1
- Späth, Baroness, Lady of the Bedchamber to Victoria, Duchess of Kent1
- Stender, Christoph Wilheim, notary, of Libau1
- Sternberg, E. A., of the Russian Embassy in London1
- Stewart, Robert, Viscount Castlereagh, 2nd Marquess of Londonderry, 1769-18221
- Strandman, Johann Gustav Magnus, Baron, Russian diplomatist, fl 1807-18271
- Stuart, Charles, Baron Stuart de Rothesay, diplomatist, 1779-18451
- Séguier, Armand Louis Maurice, Baron, French Consul-General in London1
- Taylor, Herbert, Lieutenant -General 1825; GCB 1834; Secretary to George III and William IV, fl 1825-18341
- Thornton, Charles Wade, Colonel; KCH; aide-de-camp to William IV; Lieutenant -General 18461
- Thornton, Samuel, Director of the Bank of England1
- Thorwaldsen, Bertel al. Albert, sculptor1
- Tierney, Matthew John, 1st Baronet, physician1
- Torrens, Henry, Major-General; KCB; of Add MS 463451