Cognomen ارتو (Arto 
, Artoo 
, ارتو 
) , all around the world, is a common family name. The last name ارتو is characteristic of Indonesia, where it is quite a rare surname, Finland, and Spain, where it is a rare surname. In absolute terms, it most frequently occurs in Indonesia, Spain, and Argentina. Also, ارتو is the forename as well as the last name.