Author
- Ibn al-Shatir1
- Ibn al-Wardi1
- Ibn an-Nahhas al-Halabi1
- Ibn ʻAbd al-Riḍá1
- Ibn ʻImād1
- Ibn ʻurwah1
- Ibrāhīm ibn Hibat Allāh Lakhmī1
- Ibrāhīm ibn Muḥammad Bāqir Qazwīnī1
- Ibrāhīm ibn Muḥammad Ibn Ḥamzah1
- Ibrāhīm ibn Muḥammad Ṣafāqisī1
- Ibrāhīm ibn Yaḥyá Ibn Rifāʻah al-Ghazzī1
- Ibrāhīm ibn ʻAlī Ṭaraṣūṣī1
- Iccharamasvamin1
- Idris Bitlisi1
- Ilyās ibn ʻAbbās Mullā Shaykh al-Kurdī1
- Imam Birgivi1
- Imām al-Dīn ibn Luṭf Allāh Lāhūrī1
- Innocent IV1
- Innocent XI1
- Iohannes de Ianna1