Last name Dioniz (Dioniz 
, Дионис 
) , all around the world, is quite a rare surname. The surname Dioniz is habitual in Tanzania, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Armenia. Not in comparison with a country's population, it most frequently occurs in Tanzania, Bulgaria, and Brazil. Likewise, Dioniz is the forename as well as the last name.