- Stefani, Nicola1
- Stefani, Stefano1
- Stefano, Caterina di1
- Stefano, Guida di1
- Stefano, Niccolò di1
- Stefano, Simone di1
- Stephen, the Younger, Saint, 713 or 714-7641
- Stilicho, Flavius, -4081
- Strozzi, Giovanni1
- Strozzi, Nanni, 1376-14271
- Strozzi, Niccolò1
- Stuart, House of1
- Subkī, Taqī al-Dīn ʻAlī ibn ʻAbd al-Kāfī, 1284-13551
- Sufi poetry, Turkish1
- Sufis--Biography1
- Sugar1
- Sugar trade1
- Suhrawardī, ʻUmar ibn Muḥammad, 1145-1234. ʻAwārif al-maʻārif1
- Sukkot--Liturgy1
- Sumtī, Yūsuf ibn Khālid1