- Qawāʻid al-aḥkām fī maʻrifat al-ḥalāl wa-al-ḥarām (Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf)1
- Quadrants (Astronomical instruments)1
- Quatrains, Persian1
- Quotations1
- Quotations, Arabic1
- Qurʼan stories1
- Qurʼan. Sūrat al-Anbiyāʼ1
- Qurʼan. Sūrat al-Fātiḥah1
- Qurʼan. Sūrat al-Shūrá1
- Qurʼan. Sūrat al-Ṣaff1
- Qājār, Fatḥ ʻAlī Shāh, Shah of Iran, -18341
- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Risālah fī al-hayʼah1
- Rasāʼil (Anṣārī, Murtaḍá ibn Muḥammad Amīn)1
- Riddles, Arabic1
- Romances, Persian1
- Rāgamālā painting1
- Sacred books1
- Science, Medieval1
- Sea monsters1
- Shamsīyah (Qazwīnī, ʻAlī ibn ʻUmar)1