Historians, Miscellaneous: Biographies
- Septima Poinsette Clark
- Seymour R. Cray
- Shannon Lucid
- Shigella
- Shirley Ann Jackson (American physicist)
- Sian Edwards
- Sonia Sanchez
- Staughton Lynd
- Stepan Osipovich Makarov
- Stephen King (American novelist)
- Sterling Allen Brown
- Susan M. Love
- Sylvia Earle
- T.D. Jakes
- Tabari
- Tardigrades
- Theodor Boveri
- Theodore von Karman
- Thomas Babington Macaulay
- Thomas Harrison