The title Doctor of the Church is reserved for a Catholic Saint who has very inspiring writings that have benefited the entire Church. There are only 33 doctors of the Church. Below is a list including the name of the Pope who included them and when it occurred.
| Doctor of the Church | by Pope | Date of Declaration |
|---|---|---|
| Saint Ambrose | Pope Boniface VIII | September 20, 1295 |
| Saint Jerome | Pope Boniface VIII | September 20, 1295 |
| Saint Augustine | Pope Boniface VIII | September 20, 1295 |
| Pope Gregory the Great | Pope Boniface VIII | September 20, 1295 |
| Thomas Aquinas | Pope Pius V | April 11, 1567 |
| Saint Athanasius | Pope Pius V | 1568 |
| Saint Basil | Pope Pius V | 1568 |
| Gregory of Nazianzus | Pope Pius V | 1568 |
| John Chrysostom | Pope Pius V | 1568 |
| Saint Bonaventure | Pope Sextus V | March 14, 1588 |
| Saint Anselm | Pope Clement XI | February 3, 1720 |
| Isidore of Seville | Pope Innocent XIII | April 25, 1722 |
| Peter Chrysologus | Pope Benedict XIII | February 10, 1729 |
| Saint Leo the Great | Pope Benedict XIV | October 15, 1754 |
| Peter Damian | Pope Leo XII | September 27, 1828 |
| Bernard of Clairvaux | Pope Pius VIII | August 20, 1830 |
| Hilary of Poitiers | Pope Pius IX | July 7, 1871 |
| Alphonsus Liguori | Pope Pius IX | November 16, 1871 |
| Saint Francis of Sales | Pope Pius IX | November 16, 1871 |
| Cyril of Alexandria | Pope Leo XIII | July 28, 1882 |
| Cyril of Jerusalem | Pope Leo XIII | July 28, 1882 |
| John Damascene | Pope Leo XIII | August 19, 1890 |
| Bede the Venerable | Pope Leo XIII | November 13, 1899 |
| Ephrem of Syria | Pope Benedict XV | October 5, 1920 |
| Saint Peter Canisius | Pope Pius XI | May 21, 1925 |
| John of the Cross | Pope Pius XI | August 24, 1926 |
| Robert Bellarmine | Pope Pius XI | September 17, 1931 |
| Albert the Great | Pope Pius XI | December 16, 1931 |
| Anthony of Padua | Pope Pius XII | January 16, 1946 |
| Laurence of Brindisi | Pope John XXIII | March 19, 1959 |
| Teresa of Avila | Pope Paul VI | September 27, 1970 |
| Catherine of Siena | Pope Paul VI | October 4, 1970 |
| Theresa of Lisieux | Pope John Paul II | October 19, 1997 |