Author
- Ibn Hajar al-Haytami1
- Ibn Kemal1
- Ibn Khallikan1
- Ibn Sirin1
- Ibn al-Salah1
- Ibn al-Ḥājib1
- Ibn ʿAqīl1
- Ibrāhīm Kurdī1
- Ibrāhīm Rāqim ibn Darwīsh Muḥammad1
- Ibrāhīm ibn Muṣṭafá Waḥdī1
- Ibrāhīm ibn Yūsuf Būlawī1
- Ibrāhīm ibn Ḥusayn1
- Inayat Khan1
- Isaac Luria1
- Isaac Newton1
- Isaac of Troki1
- Ismail ibn Hammad al-Jawhari1
- Ismāʻīl Mufīd1
- Israel Alnaqua1
- Israel Yaakov Algazi1