Encyclopedias, Almanacs, Transcripts, and Maps
- Solov'ëv (Solovyov), Vladimir Sergeevich (1853–1900)
- Soloveitchik, Joseph Baer
- Somalis
- Sombart, Werner (1863–1941)
- Somers, Armonía (1914–1994)
- Somoza Debayle, Anastasio (1925–1980)
- Somoza Debayle, Luis (1922–1967)
- Somoza García, Anastasio (1896–1956)
- Son Jarocho
- Sondheim, Stephen Joshua
- Sonny and Cher
- Sonsonate
- Sonthonax, Léger Félicité (1763–1813)
- Sôphrosunê
- Sorbonne Group
- Sorel, Georges (1847–1922)
- Sorensen, Theodore Chaikin ("Ted")
- Soriano, Juan (1920–2006)
- Soriano, Osvaldo (1943–1997)
- Sork