Name
- Preston, William, of Add MS 411971
- Ragland, Samuel, banker1
- Readshaw, Joshua1
- Roope, Roope Harris1
- Ruffo, Fabrizio Denis, Cardinal; of Add MS 412001
- Ruffo, Fabrizio, Principe di Castelcicala; Sicilian Envoy to England; of Add MS 411991
- Seymour, Hugh, formerly Seymour-Conway; Vice-Admiral 17991
- Seymour-Conway, Francis, Earl and (1793) 1st Marquess of Hertford1
- Sherdley, Henry1
- Smith, John Spencer, FRS, diplomat, politican and writer, 1769-18451
- Smithson, James Louis, formerly Macie; mineralogist; founder of the Smithsonian Institution1
- Spinelli, D- Antonio1
- Stanley, Edward, Consul at Trieste1
- Steele, Thomas, of Add MS 411991
- Stephens, Philip, Secretary of the Admiralty1
- Strange, John, British Resident at Venice (1773-1778)1
- Stratton, George, of Add MS 411981
- Stuart, John, Baron Mount-Stuart -1st Marquess of Bute 17961
- Stuart, John, Ensign1
- Sulivan, Stephen, of Add MS 411981