Surname Мадьяр (Magyar 
, Мадьяр 
, Madiar 
) , in all the world, is a common cognomen. The cognomen Мадьяр is habitual in Hungary, where it is a common surname, Slovakia, where it is quite a common surname, and Slovenia, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Hungary, the United States, and Slovakia. Very seldom, Мадьяр is the forename as well as the last name.