Encyclopedias, Almanacs, Transcripts, and Maps
- St. Peter
- St. Peter Canisius
- St. Peter Claver
- St. Philip Neri
- St. Robert Bellarmine
- St. Stephen Harding
- St. Thomas Aquinas
- St. Thomas Becket
- St. Valentine's Day Massacre
- St. Vincent de Paul
- Staff Officers
- Stafford, John
- Stakhanovite Movement
- Stakhanovites
- Stalin, Josef Vissarionovich
- Stalin, Joseph (Iosif Vissarionovich Dzhugashvili; 1878–1953)
- stallers
- Stamp Act and Stamp Act Congress
- Standing Bear
- Stanislavsky, Konstantin (Pseudonym of Konstantin Alekseyev; 1863–1938)