Family name Айнгорн (Aingorn 
, Ayngorn , Айнгорн 
) , in the world, is a very rare surname. The family name Айнгорн is habitual in Kazakhstan, where it is a very rare surname, Russia, and Ukraine. In absolute terms, it is the most numerous in Russia, the United States, and Kazakhstan. Likewise, Айнгорн is the forename as well as the last name.