Globally, アインシュタイン (Einstein 
, アインシュタイン) is quite a rare boy's forename. The forename アインシュタイン is habitual in the Dominican Republic, where it is a rare boy's name, Peru, and Hong Kong. Not in comparison with a country's population, it most frequently occurs in Indonesia, Philippines, and Peru. Likewise, アインシュタイン is the last name as well as the forename.
アインシュタイン 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.