>
Cognomen Dahler (Dahler , 达勒 ) , across the world, is quite a rare surname. The cognomen Dahler is habitual in Switzerland, where it is quite a common surname, Norway, where it is quite a rare surname, and Germany, where it is a rare surname. In absolute terms, it most frequently occurs in Switzerland, Germany, and the United States. Much less frequently, Dahler is the forename as well as the last name.