Author
- Ibn al-Mulaqqin1
- Ibn ʻurwah1
- Ibrāhīm al-Ḥusaynī1
- Ibrāhīm ibn Aḥmad ʻAsqalānī1
- Ibrāhīm ibn Yaḥyá Ibn Rifāʻah al-Ghazzī1
- Ibrāhīm ibn ʻAbd Allāh Qīrāṭī1
- Innocent III1
- Innocent VIII1
- Innocent XI1
- Isaac Alfasi1
- Isaac Israeli ben Joseph1
- Isaak ben Meïr from Düren1
- Ismāʻīl ibn Abī Bakr Ibn al-Muqrī1
- Jacob Anatoli1
- Jacobus Balbi1
- Jacomo Veronese1
- Jacopo Nannis de Piccolomini1
- Jacopo Piccolomini-Ammannati1
- Jacopo Ragone1
- Jacopone da Todi1