- Raffaello Sorbi1
- Raghunātha1
- Rajab ibn Ḥasan Maqarrī1
- Rajīḥī, Muḥammad ibn ʻUmar, active 16th century1
- Ram Chandra Shukla1
- Ramaḍān Ḥalāwah1
- Ranulf Higden1
- Rashīdī, Aḥmad Ibrāhīm, active 19th century1
- Rashīdī, Aḥmad ʻArafah ibn Aḥmad ʻArafah1
- Rashīdī, Rizq ibn Yūsuf ibn Ḥannā, active 18361
- Rashīdī, Rizq ibn Yūsuf, active 18361
- Rawayʻah al-Abrāshī, Ḥasan, active 19th century1
- Rianna Miriam de Segri1
- Ricardus Franciscus1
- Richard Aleyn1
- Richard Sowerbutts1
- Riḍā, Muḥammad ʻAlī walad Qāsim ibn Mawlānā Muḥammad1
- Roberto Celio degli Oricoli1
- Robusti Ansermus1
- Rolandus de Asillo1