Scribe
- Johannes of Regensburg1
- Johannes van der Kemp1
- Johannes, de Beylario1
- John Bale1
- John Capgrave1
- John Clerk1
- John Shirley1
- John Waller1
- John de Beauchesne1
- Joseph ben Abraham Finzi1
- Joseph ben Isaac Gallico1
- Josā Puṣkar1
- Jośipañcyanadikara, Śivarāma1
- Judah ben Jacob1
- Justinus of Master Stephanus1
- Jyotiṣa, Dhuḍirāja (Son of Kṛṣṇa Jyotiṣa)1
- Jñodekhāśa1
- Jābir ibn Ibrāhīm, active 16th century1
- Jābir ibn Sālim Shihāb al-Baghdādī1
- Jāgeśvara1