- Qayṣarī, Aḥmad Bahtajī1
- Quadrants (Astronomical instruments)1
- Qur'anic boards1
- Qurʼan. Sūrat al-Fātiḥah1
- Qurʼan. Sūrat al-Raʻd1
- Qurʼan. Sūrat al-Shūrá1
- Qāriʼ, Nāfiʻ ibn ʻAbd al-Raḥmān, -785 or 7861
- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Sharḥ al-Waḍʻīyah1
- Rawḍah al-bahīyah fī sharḥ al-Lumʻah al-Dimashqīyah (Shahīd al-Thānī, Zayn al-Dīn ibn ʻAlī)1
- Reasoning1
- Religious life--Islam1
- Risālah al-waḍʻīyah (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Sabzavārī, Hādī ibn Mahdī, 1797 or 1798- Nibrās al-hudá1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah fī al-istiʻārāt1
- Satellites--Phases1
- Saʻīdī, Mīr Abū al-Fatḥ ibn Makhdūm, active 16th century. Ḥāshiyah ʻalá al-ʻAḍudīyah1
- Sharḥ al-ʻAqāʼid al-ʻAḍudīyah (Dawwānī, Muḥammad ibn Asʻad)1
- Shaykhī--Doctrines1
- Shaʻbān1