Name
- Salvius, Legate1
- Savage, Thomas, 3rd Earl Rivers1
- Schlezer, Johann Friedrich, Ambassador from the Elector of Brandenburg1
- Scobell, Henry, Clerk to the Parliament and Council of State1
- Scott, James, Duke of Monmouth and Buccleugh, alias Fitzroy1
- Scott, John, of Scotstarvet; Lord of Session1
- Searle, Daniel, Governor of Barbados1
- Selden, John, lawyer and historical and linguistic scholar, 1584-1654, http://isni.org/isni/000000...1
- Smith, Malcolm, Captain; called 'Blank Marshall'1
- Smith, merchant, James, pseudonym1
- Sousa de Macedo, Antonio, Portuguese Secretary of State1
- Steele, William, Lord Chancellor of Ireland1
- Stewart, William, 1st Viscount Mountjoy, also Sir William Stewart, 3rd baronet, 1650-16921
- Strickland, Walter, Lord Strickland (1658-1660), politician and diplomat, 1598?-16711
- Syler, Edmund, Colonel, fl 1649-16531
- Tatnall, Robert1
- Temple, John, the elder; Master of the Rolls, Ireland1
- Terlon, Hugues, Chevalier; French Ambassador to Sweden1
- Thelwall, Peter1
- Thomlinson, Matthew, Knight 1657; Councillor of State in Ireland1