Author
- Roman Catholic Archdiocese of Mainz1
- Roman Catholic Archdiocese of Siena1
- Roman Catholic Diocese of Regensburg1
- Royal Chancellery of Granada1
- Rutgerus Hartman1
- Rājiḥ ibn Ismāʻīl Ḥillī1
- Rāmacandra1
- Rūmī, Bāyazīd ibn Yūsuf, d. 1494 or 51
- Saadi1
- Saadia Gaon1
- Sadreddinzade Şirvani1
- Sadānanda Yogīndra1
- Safi Al-Din Al-Hilli Altaie1
- Safi al-Din al-Qushashi1
- Salih Nasr Allah ibn Sallum Halabi1
- Salvator Oliva1
- Salāmah ibn Ismāʻīl Ibn Jamāʻah1
- Samarqandī, Muḥammad ibn Maḥmūd1
- Samson ben Eliezer1
- Sangalletti family1