- Ibn Hishām, ʻAbd Allāh ibn Yūsuf, 1309-1360. Mawārid ilá ʻayn al-Qawāʻid1
- Ibn Jābir, Muḥammad ibn Aḥmad, 1298 or 1299-1378 or 1379. ḥullah al-siyarāʼ fī madḥ khayr al-wará1
- Ibn Quṭlūbughā, al-Qāsim ibn ʻAbd Allāh, 1399 or 1400-1474 or 1475. Ḥawālah1
- Ibn Wahbān, ʻAbd al-Wahhāb ibn Aḥmad, d. 1366 or 7. Qayd al-sharāʼid3
- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-1235. Tāʾīyah1
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, d. 1412. Jadwal1
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, d. 1412. Kifāyah fī ʻilm al-farāʼiḍ1
- Ibn al-Muqrī, Ismāʻīl ibn Abī Bakr, 1354-1433 or 1434. Rawḍ al-ṭālib3
- Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf, 1250-1325. Tahdhīb al-wuṣūl ilá ʻilm al-uṣūl1
- Ibn al-Najjār, Taqī al-Dīn Muḥammad ibn Aḥmad, 1492 or 1493-1564 or 1565. Mukhtaṣar al-Taḥrīr1
- Ibn al-Naḥwī, Yūsuf ibn Muḥammad, approximately 1041-1119 or 1120. Qaṣīdah al-munfarijah1
- Ibn al-Sāʻātī, Aḥmad ibn ʻAlī, 1254-1294 or 5. Majmaʻ al-baḥrayn wa-multaqá al-nayyirayn1
- 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. Tuḥfat al-muḥtāj bi-sharḥ al-Minhāj2
- Iceland1
- Ildephonsus, Saint, approximately 610-6671
- Illumination of books and manuscripts19
- Illumination of books and manuscripts, French1
- Illumination of books and manuscripts, Iranian4
- Illumination of books and manuscripts, Medieval1