Author
- 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
- Tryaṃbaka (Son of Nārāyaṇa)1
- Tryaṃbaka Paṇḍita1
- Udayaṅkara1
- Urso of Calabria1
- Vaidyadevīcandra1
- Vaidyanātha (Son of Divākara)1