Author
- Rāmatīrthayati1
- Rāmeśvara Bhaṭṭa1
- Rāmānandasarasvatī1
- Safi al-Din al-Urmawi1
- Salomon Trismosin1
- Saṃvarta1
- Serapion the Younger1
- Sextus Empiricus1
- Somadaivajña (Son of Rudrabhaṭṭa)1
- Somayāji Rāmacandra1
- Sriharsha1
- Srinatha1
- Svapneśvara1
- Svayamprakāśayati1
- Sylvester II1
- Theobaldus Episcopus1
- Theophrastus1
- Thomas of Capua1
- Trimallabhaṭṭa1
- Tryambaka Māṭe1