Name
- Santa Cruz, Padre1
- Santa Maria, Lourenço, Archbishop of Goa, Primate of the Indies1
- Saxe, Maurice de, Marshal of France1
- Sconing, Carolus Antonius1
- See of Salzburg, Austria1
- Silva y Alva, Pedro da1
- Silva y Figuerra, Garcia, Spanish Ambassador to Persia1
- Silva, Gabriel da, Frade1
- Silva, Joao da, 2nd Marques de Gouvea, Mordomo Mór of Portugal, Ambassador to Spain1
- Silva, Joao da, Conde da Portalegre1
- Silva, Manrique, 1st Marques de Gouvea1
- Soares de Tavares, Henrique, Conde de Miranda1
- Sousa Pacheco, Francisco, Portuguese Envoy at The Hague1
- Sousa de Macedo, Antonio, Portuguese Secretary of State1
- Sousa, Manoel da, Governor of Gran Parà1
- Spaciano, Cesare, Bishop of Novara, Legate in Spain1
- Spencer, Charles, 3rd Earl of Sunderland, 1675-17221
- Spinola, Giorgio, Cardinal, Archbishop of Cesarea1
- St John, Henry, 1st Viscount Bolingbroke1
- Stuart, Charles, Baron Stuart de Rothesay, diplomatist, 1779-18451