Saint Dionysius (disambiguation)

Pope Dionysius (died 268) was a Greek pope.

Saint Dionysius may also refer to:

• Saint Dionysius of Alexandria (died 265), Bishop of Alexandria
• Saint Dionysius of Corinth (died c. 171), Bishop of Corinth
• Saint Dionysius of Paris (died c. 250), Christian martyr
• Saint Dionysius the Areopagite (1st century), judge of the Areopagus
• Geevarghese Dionysius of Vattasseril or Saint Dionysius of India (died 1934), Primate of the Indian Orthodox Church