- Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad, -1355? Risālat al-waḍʻ2
- ʻIṣām al-Asfarāyīnī, Ibrāhīm ibn Muḥammad, 1468 or 1469-1538 or 1539. Sharḥ al-Risālah al-Samarqandīyah2
- ʻUmar ibn al-Khaṭṭāb, Caliph, -6442
- ʻUthmān ibn ʻAffān, Caliph, -6562
- 1481-15121
- 1520-15661
- 1683-18291
- 1700-17991
- 1757-17731
- 1774-17891
- Abraham (Biblical patriarch)1
- Abraham (Biblical patriarch) in the Qurʼan1
- Abū al-Layth al-Samarqandī, Naṣr ibn Muḥammad, -983? Muqaddimah fī al-ṣalāh1
- Abū al-Saʻūd Muḥammad ibn Muḥammad, 1492 or 1493-1574 or 1575. Fatāwá1
- Abū Ḥanīfah, -767 or 768. Maqṣūd fī al-taṣrīf1
- Adam (Biblical figure)1
- Ahmet Mithat, 1844-19121
- Akif Paşa, 1787-18451
- Algebra1
- Amīr Khusraw Dihlavī, approximately 1253-13251