Globally, Эйнштейн (Einstein 
, Eynshteyn , Эйнштейн 
) is quite a rare male first name. The forename Эйнштейн is characteristic of the Dominican Republic, where it is a rare boy's name, Peru, and Hong Kong. In absolute terms, it is the most numerous in Indonesia, Philippines, and Peru. Likewise, Эйнштейн is the last name as well as the forename.
Эйнштейн is also a name for the fictitious and mythical characters: Einstein , the fictional dog in the Back to the Future films; Einstein , the character from Disney's "Oliver & Company" and Einstein , the operatic character in the opera Einstein.