Cognomen Еркі (Erki 
, Еркі 
) , in the entire world, is quite a rare last name. The last name Еркі is characteristic of Hungary, where it is quite a rare surname, Turkey, where it is a rare surname, and Germany, where it is a very rare surname. In absolute terms, the name is most common in Turkey, Hungary, and Indonesia. Also, Еркі is the forename as well as the last name.