Scribe
- Ibrāhīm ibn Abī al-Suʻūd Jīzāwī1
- Isidore of Kyiv1
- Jehan Engremer1
- Joannes Suardus1
- Johann Pilter1
- Johann von Neuburg1
- Johannes Theatinus Cycurius1
- Johannes de Kuppferberg1
- Johannes of Regensburg1
- Johannis Caulier1
- John Clerk1
- Joseph ben Abraham Finzi1
- Kamal al-Din al-Ghazzi1
- Karmiyānī, Aḥmad ibn Muḥammad1
- Khān Muḥammad Maḥmūd ibn Ḥusayn ibn Muḥammad1
- Ladrāwī, ʻAbd al-Karīm ibn Muḥammad, active 14th century?1
- Luxeuil Abbey1
- Makkī, Muḥammad, active 18th century?1
- Manūfī, ʻĀmir Muḥammad1
- Maqdūd ibn ʻUmar Ṣāyiqī1