Author
- Ibn ʿAbd Rabbih1
- 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
- Isaac Lopez1
- Isaac Luria1
- Isaac Sasportas1
- Isaac of Troki1
- Ismail ibn Hammad al-Jawhari1
- Ismāʻīl Ghāzānī1
- Ismāʻīl Mufīd1
- Ismāʻīl ibn Ghunaym Jawharī1
- Ismāʻīl ibn Muḥammad Māzandarānī1