Surname ソンク (Sonck 
, ソンク) , across the world, is quite a rare family name. The family name ソンク is habitual in Belgium, where it is quite a common surname, Liechtenstein, where it is quite a rare surname, and Finland. In absolute terms, it is commonest in Belgium, Finland, and France. Very seldom, ソンク is the forename as well as the last name.