Cognomen Molyar (Molyar 
, Моляр 
) , around the world, is a rare surname. The last name Molyar is characteristic of Ukraine, where it is a rare surname, Russia, where it is a very rare surname, and Kazakhstan. In absolute terms, it is commonest in Ukraine, Russia, and China. Very seldom, Molyar is the forename as well as the last name.