Family name Эрдеш (Erdös 
, Эрдеш 
) , in all the world, is a rare surname. The cognomen Эрдеш is characteristic of Sweden, where it is a rare surname, Hungary, and Kyrgyzstan, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Germany, Sweden, and Hungary. Very seldom, Эрдеш is the forename as well as the last name.