Cognomen كورن (Corne 
, Korn 
, Corn 
) , in the entire world, is a common last name. The cognomen كورن is habitual in Mongolia, where it is quite a common surname, Germany, and Austria, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Germany, the United States, and France. Very seldom, كورن is the forename as well as the last name.