Author
- Rajab ibn Aḥmad Āmidī1
- Raphael Levi Hannover1
- Refaʼel di Fontanella1
- Riḍwān ibn ʻAbd Allāh Razzāz1
- Rumi1
- Rüştü Ahmet1
- Rāmacandra1
- Rāmacandrācārya1
- Rāmakr̥ishṇa Bhaṭṭa1
- Saadia Gaon1
- Sadr al-Din al-Qunawi1
- Sadreddinzade Şirvani1
- Sadānanda Yogīndra1
- Saib Tabrizi1
- Sarvajñātman1
- Sarı Abdullah1
- Saʻd Allāh Bardaʻī1
- Saʻīd ibn Hibat Allāh ibn al-Ḥusayn1
- Saṅkhā1
- Shankar Bhatta1