- Ibn Qāsim al-ʻAbbādī, Aḥmad, -approximately 1585. Sharḥ al-Waraqāt1
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, -1412. Tuḥfah al-qudsīyah fī al-farāʼiḍ1
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, d. 1412. Jadwal1
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, d. 1412. Kifāyah fī ʻilm al-farāʼiḍ1
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, d. 1412. Tuḥfah al-qudsīyah fī al-farāʼiḍ1
- Ibn al-Murtaḍá, Aḥmad ibn Yaḥyá, 1363-1437. Miʻyār al-ʻuqūl fī ʻilm al-uṣūl1
- Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf, 1250-1325. Mabādiʼ al-wuṣūl ilá ʻilm al-uṣūl1
- Ibn al-Shahīd al-Thānī, al-Ḥasan, 1551 or 1552-1602 or 1603. Maʻālim al-dīn wa-malādh al-mujtahidīn1
- Ibn al-Shihnah, Abū al-Walīd Muḥammad ibn Muḥammad, 1348-1412. Manẓūmah fī al-farāʼiḍ1
- Ibn al-Sāʻātī, Aḥmad ibn ʻAlī, 1254-1294 or 1295. Badīʻ al-niẓām al-jāmiʻ bayna Kitāb al-Bazdawī wa-al-aḥkām1
- Ibn al-ʻImād al-Aqfahsī, Aḥmad, ca. 1349-1405. Iqtiṣād fī kifāyat al-ʻuqqād1
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Mawlid1
- Ibn ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Sharḥ al-Muqaddimah al-ḥaḍramīyah1
- Ibn ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 15666. Iʻlām li-qawāṭiʻ al-Islām1
- Ijtihād (Islamic law)1
- Imaginary letters1
- Immortality--Islam1
- Imām al-Ḥaramayn al-Juwaynī, ʻAbd al-Malik ibn ʻAbd Allāh, 1028-1085. Burhān fī uṣūl al-fiqh1
- Intention--Religious aspects--Islam1
- Interest (Islamic law)1