Author
- Ibn ʿAqīl1
- Ibrāhīm Kurdī1
- Ibrāhīm Rāqim ibn Darwīsh Muḥammad1
- Ibrāhīm ibn Muḥammad Birmāwī1
- Ibrāhīm ibn Muṣṭafá Waḥdī1
- Ibrāhīm ibn Yūsuf Būlawī1
- Ibrāhīm ibn ʻAlī Ḥuṣrī1
- Ibrāhīm ibn Ḥusayn1
- Idris Bitlisi1
- Inayat Khan1
- Ismāʻīl Ghāzānī1
- Ismāʻīl Mufīd1
- Ismāʻīl ibn Ghunaym Jawharī1
- Ismāʻīl ibn Muḥammad Māzandarānī1
- Istanbulī, Muṣṭafá Zakī1
- Isḥāq ibn Ibrāhīm Fārābī1
- Izz al-Din ibn Hibatullah ibn Abi l-Hadid1
- Jaghmini1
- Jai Singh II1
- Jalal al-Din Mohammad Tabrizi1