Encyclopedias, Almanacs, Transcripts, and Maps
- Sumarokov, Alexander Petrovich
- Summerson, John
- Sumner, Charles
- Sumner, Charles
- Sumner, Jethro
- Sumter, Thomas
- Sun Ra (Blount, Herman "Sonny")
- Sunbury (Fort Morris), Georgia
- Sunbury (Fort Morris), Georgia
- Sunday observance
- Sundiata Keita
- Sung Dynasty
- Sung T'ai-tsu
- Sunjata
- Super anxietatibus
- Supplements
- Supply of the Continental Army
- Support Ships
- Supreme Court Justices
- Supreme Soviet