Author
- Ibn al-Tayyib1
- Ibn ʻImād1
- Ibrāhīm ibn Hibat Allāh Lakhmī1
- Ibrāhīm ibn Ismāʻīl1
- Ibrāhīm ibn Murād Ibn al-Rāʻī1
- Ibrāhīm ibn Muḥammad Aʻlam al-Baṭalyawsī1
- Ibrāhīm ibn Muḥammad Birmāwī1
- Ibrāhīm ibn Muḥammad Yamanī1
- Ibrāhīm ibn Mūsá Ṭarābulusī1
- Ibrāhīm ibn Yaḥyá Ibn Rifāʻah al-Ghazzī1
- Imam Birgivi1
- Isidore of Seville1
- Ismāʻīl Jarrāḥī1
- Ismāʻīl Qarah Kamāl1
- Ismāʻīl ibn Aḥmad Ibn al-Athīr1
- Izz al-Din ibn Hibatullah ibn Abi l-Hadid1
- Jalal al-Din al-Qazwini1
- Jerome1
- Juan Páez de Castro1
- Kamāl al-Dīn ibn Āsāyish Shirwānī1