- ʻUmar ibn al-Khaṭṭāb, Caliph, -6442
- ʻUthmān ibn ʻAffān, Caliph, -6562
- 1481-15121
- 1520-15661
- 1669-18981
- 1683-18291
- 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
- Actions and defenses (Islamic law)1
- Ahmet Mithat, 1844-19121
- Akif Paşa, 1787-18451
- Algebra1
- Alphabet books1
- America1
- Amīr Khusraw Dihlavī, approximately 1253-13251