Surname Дион (Dion 
, Dio , Dyon 
) , around the world, is a common family name. The last name Дион is characteristic of Canada, where it is quite a common surname, Greece, and Ivory Coast (explore the name in all countries). In absolute terms, it is commonest in Indonesia, Canada, and the United States. Likewise, Дион is the forename as well as the last name.