Saint Dionysius may refer to:

• Pope Saint Dionysius (died 268), Greek pope
• Saint Dionysius of Alexandria (died 265), Oriental Orthodox Patriarch
• Saint Dionysius of Paris (died circa 250), Christian martyr
• Saint Dionysius the Areopagite (1st century), judge of the Areopagus

See also

• San Dionisio (disambiguation)

This disambiguation page lists articles associated with the same personal name. If an internal link led you here, you may wish to change the link to point directly to the intended article.