Scribe
- Johannes Vischer1
- Johannes de Bononia1
- Johannes de Logrosan1
- Johannes de Luxia1
- Johannes de Novara1
- Johannes de Polna1
- Johannes van der Kemp1
- Johannes, de Beylario1
- John de Beauchesne1
- Joseph ben Isaac Gallico1
- Josā Puṣkar1
- Jośipañcyanadikara, Śivarāma1
- Juan de la Mote1
- Judah ben Jacob1
- Jundī, Arslān ibn Muḥammad ʻAlī, active 19th century1
- Jñodekhāśa1
- Jābir ibn Ibrāhīm, active 16th century1
- Jābir ibn Sālim Shihāb al-Baghdādī1
- Jīlānī, Ibn Muḥammad Yūsuf, active 17th century1
- Kaspar Ytelhuser1