Scribe
- Johannes de Luxia1
- Johannes de Tossens1
- John Capgrave1
- John Clerk1
- John Shirley1
- John Waller1
- John de Beauchesne1
- Joseph ben Isaac Gallico1
- Juan de la Mote1
- Justinus of Master Stephanus1
- Katharinenkirche, Nuremberg1
- Katherina Mast1
- Laurenziano Leone1
- Lazarus a Parentibus1
- Ludovico Vicentino degli Arrighi1
- Master of the Ottoboni Livy1
- Masullus1
- Michael Papadopoulos1
- Milanus Burrus1
- Monterillus Perutii1