Last name Айхер (Eicher 
, Айхер 
) , all around the world, is quite a common family name. The family name Айхер is habitual in Western Europe, particularly Switzerland, where it is quite a common surname, Luxembourg, and Austria, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in the United States, Switzerland, and Germany. Much less frequently, Айхер is the forename as well as the last name.