Author
- Jamāl al-Dīn Khvānsārī1
- Jamāl al-Dīn Ḥaṣīrī1
- Jawād ibn Saʻd Jawād al-Baghdādī1
- Jayakṛṣṇa Brahmamuni1
- Jayalakṣmī1
- Jayarāmācārya1
- Jayāditya1
- Jazūlī, Yaḥyá ibn Mūsá1
- Jaʻfar Vāʻiẓ1
- Jean Barthélémy1
- Jean Bayard1
- Jean Dupin1
- Jean Gerson1
- Jean Passerat1
- Jean de Wavrin1
- Jerónimo Román y Zamora1
- Jews1
- Joachim Heinrich Campe1
- Joannes de Crivelli1
- Johann Herolt1