Author
- Ibn Hamdun1
- Ibn Kathir1
- Ibn Khallikan1
- Ibn Taymiyyah1
- Ibn al-Banna' al-Marrakushi1
- Ibn al-Kharrāṭ1
- Ibn al-Wardi1
- Ibn al-Ḥājib1
- Ibrāhīm al-Ḥusaynī1
- Ibrāhīm ibn Aḥmad ʻAsqalānī1
- Ibrāhīm ibn Yaḥyá Ibn Rifāʻah al-Ghazzī1
- Ibrāhīm ibn ʻAbd Allāh Qīrāṭī1
- Imad ad-Din al-Isfahani1
- Immanuel Bonfils1
- Innocent VIII1
- Innocent XI1
- Isaac Alfasi1
- Isaac Israeli ben Joseph1
- Isaak ben Meïr from Düren1
- Isidore of Seville1