Author
- Ikhtiyār al-Dīn ibn Ghiyāth al-Dīn2
- Immanuel Bonfils2
- Immanuel Frances2
- Isaac Aboab2
- Isaac Newton2
- Isaac ben Mordekhai Kimḥi2
- Isaac of Troki2
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 13462
- Ishmael ben Abraham Isaac ha-Kohen2
- Ismāʻīl ibn Abī Bakr Ibn al-Muqrī2
- Jacob ben Asher2
- Jacob ben Jacob, ha-Kohen, -approximately 12702
- Jagadīśatarkālaṅkāra2
- Jalal Al-Din Al-Khabazi2
- Jamāl al-Dīn Khvānsārī2
- Jamāl al-Dīn Ḥaṣīrī2
- Jarmakī, Abū Bakr ibn al-Ṭāhir, 18th cent2
- Jayakr̥ṣṇa2
- Jaʻfar ibn Khaḍir Janājī2
- Johann Herolt2