Last name 达格 (Dag 
, Dague 
, Dagur 
) , throughout the world, is a common family name. The cognomen 达格 is characteristic of Northern Europe, particularly Iceland, where it is quite a rare surname, Sweden, and Norway. Measured by absolute frequency, it is commonest in India, the United States, and Turkey. Also, 达格 is the forename as well as the last name.