Name
- Roeper, F-, MD, of Bâle1
- Ross, George Clark1
- Sabine, Edward, General RA, KCB, PRS1
- Sabine, Joseph, FRS1
- Sanctius de Sanctis, B-1
- Schiede, Wilhelm, of Jalapa, Vera Cruz1
- Schmidt, ?Immanuel, Royal Professor at Berlin1
- Schreber, Johann Christoph Daniel, Professor at Erlangen1
- Schwägrichen, Christian Friedrich1
- Scoresby, William, junior1
- Seguier, ? Armand Pierre, Baron1
- Smith, Thomas, of Add MS 324401
- Sprengel, Curtius Polycarpe Joachim1
- St. Hilaire, Geoffroy, President de l'Academie Royale des Sciences1
- Stackhouse, John1
- Stewart, J-, Botanical Lecturer at Edinburgh1
- Stokes, William, Regius Professor of Physic, Dublin1
- Strange, Jean1
- Strangways, William Thomas Horner Fox1
- Templeton, John1