Scribe
- Johannes Petrus Mathei1
- Johannes Theatinus Cycurius1
- Johannes Vischer1
- Johannes de Kuppferberg1
- Johannes de Luxia1
- Johannes van der Kemp1
- Johannes, de Beylario1
- Johannis Caulier1
- John Clerk1
- Judah ben Jacob1
- Ladrāwī, ʻAbd al-Karīm ibn Muḥammad, active 14th century?1
- Leonhard Bernecker1
- Lorenzo da Pisa1
- Masullus1
- Maḥmūd ibn Muḥammad ibn Maḥmūd1
- Maḥmūd ibn Mūsá Ruhāwī1
- Maḥmūd ibn Rajab ibn ʻUmar Ḥafiz al-Shirāzī1
- Michaelis de Pergamo1
- Moris, V.C1
- Muḥammad ibn Aḥmad Faqīh1