John - Just
- John Abramios
- John Asen II
- John Asen III
- John Chrysostom
- John I
- John I Doukas
- John II Komnenos
- John III Vatatzes
- John Italos
- John Itzimiskes
- John IV Faster
- John IV Komnenos
- John IV Laskaris
- John Klimachos
- John Lydos
- John of Antioch
- John of Brienne
- John of Cappadocia
- John of Damascus
- John of Ephesus
- John of Nikiu
- John of Rila
- John Smbat III
- John The Almsgiver
