- Riccomanni, Maria1
- Riccomanni, Simone1
- Rice1
- Richard III, King of England, 1452-14851
- Riddles1
- Riddles, Arabic2
- Riddles, Persian1
- Riddles, Turkish2
- Ridolfi, Angiolo1
- Rifāʻīyah1
- Risaliti, Francesco6
- Risaliti, Lena1
- Risālah (Ibn Abī Zayd al-Qayrawānī, ʻAbd Allāh ibn ʻAbd al-Raḥmān)1
- Rites and ceremonies187
- Rituals2
- Rivers--Religious aspects--Hinduism1
- Riyāḍ al-ṣāliḥīn (Nawawī)2
- Riz̤ā-ʼi ʻAbbāsī, Āqā, approximately 1570-1635?1
- Robert, King of Naples, approximately 1275-13431
- Robert, William1