Scribe
- Johannes Baptista Filius1
- Johannes Theatinus Cycurius1
- Johannes de Camenago1
- Johannes de Kuppferberg1
- Johannes de Tossens1
- Johannes of Regensburg1
- John Bale1
- John Capgrave1
- John Clerk1
- John Shirley1
- John Waller1
- Joseph ben Abraham Finzi1
- Justinus of Master Stephanus1
- Jyotiṣa, Dhuḍirāja (Son of Kṛṣṇa Jyotiṣa)1
- Jāgeśvara1
- Kalaṅkara Keśava1
- Kamal al-Din al-Ghazzi1
- Katherina Mast1
- Katherine Philips1
- Keśabhaṭṭa1