Name
- Sachetti-Barbosa, Joao Mendes1
- Salkeld, W-1
- Salner, Swedish Naturalist1
- Salvador, Joseph, FRS1
- Saunders, William, MD, FRS1
- Saunders, William, of Add MS 285421
- Schlabrendorff, Friedrich Ludwig1
- Schlosser, John Albert, Dr; FRS1
- Schomberg, Ralph, MD1
- Sciarroni, Giuseppe Giovanni1
- Scott, George, LLD, FRS1
- Sepp, Jan Christiaan, of Amsterdam1
- Seymer, Henry, of Hanford, county Dorset1
- Sharpe, Fane William1
- Sherwood, James, Surgeon1
- Shippen, William, MD1
- Sibthorp, John, Professor of Botany at Oxford1
- Sibthorpe, Stephen James1
- Skeete, Thomas, MD1
- Skene, David, Dr1