Surname كيير (Kier 
, Kjær 
, كيير 
) , in all the world, is quite a common last name. The surname كيير is characteristic of Denmark, where it is quite a common surname, Greenland, and Norway, where it is quite a rare surname. In absolute terms, it most frequently occurs in Denmark, the United States, and Sudan. Very seldom, كيير is the forename as well as the last name.