Cognomen Фибер (Fieber 
, Фибер 
) , worldwide, is quite a rare last name. The cognomen Фибер is characteristic of Germany, where it is quite a rare surname, Austria, where it is a rare surname, and Slovakia. In absolute terms, the name is most common in Germany, the United States, and Canada. Very seldom, Фибер is the forename as well as the last name.