- Pāñcarātra (Sect)6
- Qaṣīdah al-ʻaynīyah (Avicenna)6
- Quotations, Arabic6
- Quṭb al-Taḥtānī, Muḥammad ibn Muḥammad, 1294 or 1295-1364 or 1365. Lawāmiʻ al-asrār fī sharḥ Maṭāliʻ al-anwār6
- Qāḍīʹzādah, Mūsá ibn Muḥammad, -approximately 1436. Sharḥ al-Mulakhkhaṣ fī al-hayʼah6
- Reformation6
- Rhetoric6
- Riddles, Arabic6
- Risaliti, Francesco6
- Rishis6
- Risālah al-waḍʻīyah (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)6
- Sanskrit language--Etymology6
- Sefer zemanim (Maimonides, Moses)6
- Shabbethai Tzevi, 1626-16766
- Sharḥ al-Risālah al-Ḥusaynīyah6
- Shādhilī, Abū al-Ḥasan ʻAlī ibn ʻAbd Allāh, approximately 1196-1258. Ḥizb al-baḥr6
- Spain--Navarre6
- Spain--Seville6
- Spain--Valencia6
- Sufi poetry, Arabic6