Last name ארקי (Erkki 
, Erki 
, ארקי 
) , in the world, is quite a rare family name. The cognomen ארקי is characteristic of Hungary, where it is quite a rare surname, Namibia, and Finland. Not in comparison with a country's population, the name is most common in Turkey, Hungary, and Finland. More prevalently, ארקי is the forename as well as the last name.