Cognomen קוסמין (Cosmin 
, קוסמין 
) , all over the world, is a common surname. The last name קוסמין is habitual in Romania, where it is a common surname, Reunion, where it is quite a common surname, and Cyprus, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Romania, Spain, and Italy. More prevalently, קוסמין is the forename as well as the last name.