Family name Айхнер (Eichner 
, Айхнер 
) , in the world, is quite a common last name. The cognomen Айхнер is characteristic of Germany, where it is quite a rare surname, Qatar, and Austria. In absolute terms, it is the most numerous in Germany, the United States, and Brazil. Much less frequently, Айхнер is the forename as well as the last name.