Author
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 13462
- Ishmael ben Abraham Isaac ha-Kohen3
- Isidore of Seville19
- Iskandar Abkariyus1
- Iskandar Beg Munshi7
- Iskandar Rūmī1
- Ismail al-Isfahani1
- Ismail bin Mohammad Rizi1
- Ismail ibn Hammad al-Jawhari27
- Ismāʻīl Ghāzānī3
- Ismāʻīl Jarrāḥī1
- Ismāʻīl Mufīd1
- Ismāʻīl Qarah Kamāl1
- Ismāʻīl ibn Abī Bakr Ibn al-Muqrī4
- Ismāʻīl ibn Aḥmad Ibn al-Athīr2
- Ismāʻīl ibn Ghunaym Jawharī1
- Ismāʻīl ibn Ibrāhīm İsfendiyaroǧlu3
- Ismāʻīl ibn Luṭf Allāh Bākharzī1
- Ismāʻīl ibn Muḥammad Māzandarānī1
- Ismāʻīl ibn Muḥammad Qūnawī1