Surname 达赫 (Dach 
, 达赫 
) , throughout the world, is quite a rare cognomen. The surname 达赫 is characteristic of Switzerland, where it is quite a rare surname, Tunisia, and Poland, where it is a rare surname. Not in comparison with a country's population, it is commonest in Germany, Switzerland, and the United States. Likewise, 达赫 is the forename as well as the last name.