Author
- Ibrāhīm ibn Yaḥyá Tilimsānī1
- Ibrāhīm ibn ʻAbd Allāh Qīrāṭī1
- Idris Bitlisi1
- Ikhtiyār al-Dīn ibn Ghiyāth al-Dīn1
- Ilyās ibn ʻAbbās Mullā Shaykh al-Kurdī1
- Imami Heravi1
- Inayat Khan1
- Insha Allah Khan1
- Ismail bin Mohammad Rizi1
- Ismāʻīl Jarrāḥī1
- Ismāʻīl Qarah Kamāl1
- Ismāʻīl ibn Aḥmad Ibn al-Athīr1
- Ismāʻīl ibn Ibrāhīm İsfendiyaroǧlu1
- Ismāʻīl ibn Luṭf Allāh Bākharzī1
- Ismāʻīl ibn Muḥammad Māzandarānī1
- Ismāʻīl Ḥaqqī Āsikjīʹzādah1
- Isḥāq1
- Izz al-Din ibn 'Abd al-Salam1
- Izz al-Din ibn Hibatullah ibn Abi l-Hadid1
- Jaafar Al-Sadiq1