Jean de Montmirail, Baron de Montmirail, O.S.B. Cist., was a French nobleman who became a Cistercian monk. He is venerated as a beatus in the Catholic Church.
- Occupation
- knight, monk
- Position held
- Constable of France
- Citizenship
- France
- Born
- 1165
- Died
- September 29, 1217