Last name Крах (Krach 
, Крах 
) , throughout the world, is quite a rare surname. The family name Крах is characteristic of Germany, where it is quite a rare surname, Austria, and Morocco, where it is a rare surname. Not in comparison with a country's population, it is commonest in Germany, the United States, and Morocco. Very seldom, Крах is the forename as well as the last name.