Cognomen 达夫 (Dove 
, 达夫 
, Duff ) , globally, is a common surname. The cognomen 达夫 is characteristic of Northern Europe, particularly Aland Islands, where it is quite a common surname, Ireland, and Guernsey (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Australia. Very seldom, 达夫 is the forename as well as the last name.