title: John the Grammarian
text: # John the Grammarian
  
  John the Grammarian can refer to:
  
  * John of Caesarea (theologian), the first neo-Chalcedonian theologian
  * John Philoponus, an early Byzantine philosopher
  * John VII of Constantinople, Patriarch of Constantinople from January 21, 837 to March 4, 843
  