Surname Крайнер (Kreiner 
, Крайнер 
) , in the entire world, is quite a common family name. The last name Крайнер is habitual in Austria, where it is quite a common surname, Denmark, where it is quite a rare surname, and Hungary. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Austria. Much less frequently, Крайнер is the forename as well as the last name.