Author
- John Cleseby1
- John Davnay1
- John Eyr1
- John Felton1
- John Gage1
- John Larry England1
- John Mandeville1
- John Shirley1
- John Tiptoft, 1st Earl of Worcester1
- John Wycliffe1
- John XXII1
- John de Breton1
- John de Seccheville1
- John of Damascus1
- John of Glastonbury1
- John of Howden1
- John of Saxony1
- João Freire1
- Juana I of Castile1
- Julianus Pomerius1