Family name Διονύσιος (Denis 
, Dionysios 
, Dionysius 
) , worldwide, is a widespread cognomen. The surname Διονύσιος is habitual in Greece, where it is a common surname, Honduras, and Nicaragua (explore the name in all countries). Measured by absolute frequency, the name is most common in France, Greece, and Honduras. More frequently, Διονύσιος is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Denis | Greece, France, Brazil, Kenya, Tanzania |
| Dionysios | Greece, Italy, France, United States, Brazil |
| Dionysius | France, Canada, Brazil, Kenya, Tanzania |
| Διονύσιος | Greece |
Denez, Deniss, Dennis, Denys, Denís, Dienes, Dinis, Dionigi, Dionisie, Dionisio, Dionisios, Dionisius, Dionizij, Dionizije, Dionizy, Dionusios, Dionyses, Dionysis, Dionysus, Dionís, Διονύσης, Дени, Денис, Денни, Деннис, Денька, Деня, Дені, Деніс, Дзяніс, Диня, Дионизий, Дионис, Дионисий, Дионисио, Дионисиос, Дионисиус, Дэн, Дэнис, Дэннис, Діонісій, דיוניסיוס, דיוניסיס, דניס, دنس, دنيس, دينيس, デニス, 丹尼斯, and 德尼什
|
μητροπολίτης κορίνθου διονύσιος metropolitan bishop, GR (b. 1952) |
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| μητροπολίτης διονύσιος GR (b. 1923) |
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