Pope Dionysius (died 268) was a Greek pope.

Saint Dionysius may also refer to:

• Dionysius the Areopagite (died late first century), Greek bishop and judge of the Areopagus
• Dionysius of Corinth (died c. 171), Bishop of Corinth
• Dionysius of Paris (died c. 250), Christian martyr
• Dionysius of Alexandria (died 265), Bishop of Alexandria
• Dionysius (died 447), one of the Seven Sleepers of Ephesus
• Dionysius Exiguus (c. 470 – c. 544), Byzantine monk who invented AD dating
• Dionysius Vattasseril (1858–1934), or Dionysius of India, primate of the Indian Orthodox Church

See also

• Agios Dionyssios (disambiguation)
• Dennis (disambiguation)
• Dionysos (disambiguation)
• Saint Denis (disambiguation)
• San Dionisio (disambiguation)

This disambiguation page lists articles associated with the title Saint Dionysius.
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