Author
- Jalal al-Din Mohammad Tabrizi1
- James Raymond Wellsted1
- James of Viterbo1
- Jamshīd al-Kāshī1
- Jamāl al-Dīn Aḥmad ibn Muḥammad Ẓāhirī1
- Jamāl al-Dīn Khvānsārī1
- Jayakṛṣṇa Brahmamuni1
- Jayalakṣmī1
- Jayarāmācārya1
- Jazūlī, Yaḥyá ibn Mūsá1
- Jaʻfar Astarābādī1
- Jaʻfar Vāʻiẓ1
- Jaʻfar ibn Khaḍir Janājī1
- Jean Barthélémy1
- Jean Bayard1
- Jean Dupin1
- Jean Filesac1
- Jean Froissart1
- Jean Le Fèvre de Ressons1
- Jean Marot1