Saint Dionysius (disambiguation)
Pope Dionysius was a Greek pope.
Saint Dionysius may also refer to:
- Dionysius the Areopagite, Greek bishop and judge of the Areopagus
- Dionysius of Corinth, Bishop of Corinth
- Dionysius of Paris, Christian martyr
- Dionysius of Alexandria, Bishop of Alexandria
- Dionysius, one of the Seven [Sleepers of Ephesus]
- Dionysius Exiguus, Byzantine monk who invented AD dating
- Dionysius Vattasseril, or Dionysius of India, primate of the Indian Orthodox Church