The Catholic Church has had 21 ecumenical councils:
- First Council of Nicaea
- First Council of Constantinople
- Council of Ephesus
- Council of Chalcedon
- Second Council of Constantinople
- Third Council of Constantinople
- Second Council of Nicaea
- Fourth Council of Constantinople
- First Council of the Lateran
- Second Council of the Lateran
- Third Council of the Lateran
- Fourth Council of the Lateran
- First Council of Lyon
- Second Council of Lyon
- Council of Vienne
- Council of Constance
- Council of Florence
- Fifth Council of the Lateran
- Council of Trent
- First Vatican Council
- Second Vatican Council