Last name Myrkr (Murk 
, Mørk 
, Myrkr) , throughout the world, is quite a rare surname. The cognomen Myrkr is characteristic of Northern Europe, particularly Estonia, where it is quite a common surname, Denmark, and Norway, where it is quite a rare surname. In absolute terms, it is commonest in Denmark, Germany, and the United States. Much less frequently, Myrkr is the forename as well as the last name.