Last name Matsar (Matsar 
, Мацарь 
) , in all the world, is a rare family name. The surname Matsar is habitual in Estonia, where it is a rare surname, Turkey, and Finland, where it is a very rare surname. Measured by absolute frequency, it is commonest in Turkey, Russia, and Estonia. Much less frequently, Matsar is the forename as well as the last name.