- Qāyitbāy al-Maḥmūdī, Sultan of Egypt and Syria, 1412-14961
- Qāḍīʹzādah, Mūsá ibn Muḥammad, -approximately 1436. Sharḥ Mulakhkhaṣ fī al-hayʼah1
- Raffaello, Niccolò di1
- Rawḍat al-nāẓir wa-jannat al-munāẓir (Ibn Qudāmah, Muwaffaq al-Dīn ʻAbd Allāh ibn Aḥmad)1
- Regula (Augustine, of Hippo, Saint)1
- Religion and ethics1
- Religious poetry1
- Religious poetry, English1
- Renzi, Betto1
- Renzi, Lello1
- Repentance1
- Requesens, Antonio de'1
- Requesens, Berengario de'1
- Requesens, Bernardo de'1
- Requesens, Giuseppe de'1
- Rhetoric1
- Ricci, Giorgio de'1
- Riddles, Persian1
- Ridolfi, Angiolo1
- Risaliti, Lena1