Family name Аренберг (Arenberg 
, Аренберг 
, Ahrenberg 
) , globally, is a rare last name. The surname Аренберг is habitual in Malta, where it is quite a rare surname, Finland, and Sweden. Measured by absolute frequency, it most frequently occurs in the United States, Sweden, and Germany. Much less frequently, Аренберг is the forename as well as the last name.