Family name Дагис (Dagis 
, Дагис 
, Daguis 
) , around the globe, is quite a rare cognomen. The cognomen Дагис is characteristic of Northern Europe, particularly Lithuania, where it is quite a common surname, Latvia, where it is quite a rare surname, and Estonia, where it is a rare surname. In absolute terms, it is commonest in Lithuania, Latvia, and the United States. Very seldom, Дагис is the forename as well as the last name.