Last name Денни (Denny 
, Denni , Dennie , along with others...) , throughout the world, is a common surname. The cognomen Денни is habitual in Saint Vincent and the Grenadines, where it is quite a common surname, Barbados, and Jersey (explore the name in all countries). In absolute terms, it is the most numerous in the United States, Indonesia, and the United Kingdom. More prevalently, Денни is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dennie, Denny, Denni | Indonesia, United Kingdom, India, Venezuela, United States |
| Denney | United Kingdom, Canada, India, Venezuela, United States |
| Денни | Kyrgyzstan, Russia |
Danny, Denez, Denis, Deniss, Denne, Dennis, Dennys, Denys, Denís, Dionigi, Dionisio, Dionisios, Dionizij, Dionizy, Dionyses, Dionysios, Dionysis, Dionysius, Dionysus, Dionís, Dyenni, Dzianis, Dzyanis, Διονύσης, Διονύσιος, Дени, Денис, Деннис, Денні, Денька, Деня, Дені, Деніс, Дзяніс, Диня, Дионизий, Дионис, Дионисий, Дионисио, Дионисиос, Дионисиус, Дэн, Дэнис, Дэннис, Діонісій, דיוניסיוס, דיוניסיס, דניס, دنس, دنيس, ديني, دينيس, デニス, デニー, 丹尼, 丹尼斯, and 德尼什