All around the world, Эрдеи (Erdei 
, Erdey 
, Эрдеи) is a rare epicene first name. The forename Эрдеи is habitual in Hungary, where it is a rare unisex name, Romania, and China, where it is an extremely rare boy's name. More prevalently, Эрдеи is the last name as well as the forename.