- Abū ‘Imrān al-Fāsī, Ibn ʿAṭāʾ, Abū Isḥāq Ibrāhīm (Abraham ben Nathan)
- Abū ‘Imrān al-Tiflīsī, Malik al-Ramlī, Abū ʿImrān al-Tiflīsī
- Abū ‘Isā al-Isfahānī, Iran/Persia, Isfahan, Messianism, Shiʽa and the Jews, Abū ʿIsā of Isfahan, Hamadan, Yūdghān
- Abū Isḥāq seeIbn al-Ḥarīzī, Abraham
- Abū Isḥāq Ibrāhīm ibn ‘Aṭā’ seeIbn ‘Aṭā’
- Abu Iyad (Palestinian terrorist), Romano, Joseph
- Abū Ja‘far Ibn Bābawayh, Polemics (Muslim-Jewish)
- Abū ’l-Jaysh Mujāhid (Taifa King), Denia
- Abū ’l-Karam al-Dārānī, Bukhara
- Abū ’l-Kathīr Yaḥyā ibn Zakariyyā’ (d. ca. 932), Abū 'l-Kathīr Yaḥyā ibn Zakariyyāʾ, Pal…