Author
- Reynoldus Romanus1
- Richard Nykke1
- Richard of Saint Victor1
- Robert de Saint-Martin1
- Roger Alban1
- Rui de Pina1
- Ruzbihan Baqli1
- Saadi1
- Safi Al-Din Al-Hilli Altaie1
- Sallust1
- Samuel Marochitanus1
- Saʻdī, ʻAbd Allāh, 14th cent1
- Saʻīd Najm al-Dīn ʻAjamī1
- Sextus Empiricus1
- Shams al-Din al-Sakhawi1
- Sharaf ad-Din Ali Yazdi1
- Sheikh Bedreddin1
- Shem Tov ben Joseph ben Shem Tov Ibn Shem Tov1
- Shāṭibī, Muḥammad ibn al-Qaffāl, 13th cent1
- Simeon ben Zemah Duran1