Author
- Ibrāhīm ibn Muḥammad ḥarīthī1
- Ibrāhīm ibn Muṣṭafá Waḥdī1
- Ibrāhīm ibn Yaḥyá Ibn Rifāʻah al-Ghazzī1
- Ibrāhīm ibn Yūsuf Būlawī1
- Ibrāhīm ibn Ṣibghat Allāh Ḥaydarīzādah1
- Ibrāhīm ʻArshī1
- Idris Bitlisi1
- Ikhtiyār al-Dīn ibn Ghiyāth al-Dīn1
- Imami Heravi1
- Inayat Khan1
- Ismail al-Isfahani1
- Ismāʻīl Mufīd1
- Ismāʻīl Qarah Kamāl1
- Ismāʻīl ibn Abī Bakr Ibn al-Muqrī1
- Ismāʻīl ibn Ibrāhīm İsfendiyaroǧlu1
- Ismāʻīl ibn Muḥammad Qūnawī1
- Ismāʻīl ibn ʻAlī ibn al-Ḥāʼik1
- Isḥāq1
- Isḥāq ibn Ibrāhīm Fārābī1
- Ja'far Kashfi1