Last name Хайдингер (Heidinger 
, Хайдингер) , around the world, is quite a rare surname. The family name Хайдингер is habitual in Austria, where it is quite a common surname, Germany, where it is quite a rare surname, and Hungary. Not in comparison with a country's population, the name is most common in Germany, Austria, and the United States. Very seldom, Хайдингер is the forename as well as the last name.