Cognomen Fej (Feige 
, Fej 
, Фей 
) , in the entire world, is quite a common family name. The last name Fej is habitual in Germany, where it is quite a rare surname, Switzerland, and Israel, where it is a rare surname. In absolute terms, it most frequently occurs in Germany, the United States, and France. Much less frequently, Fej is the forename as well as the last name.