Family name Matuliak (Матуляк 
, Matuliak 
) , throughout the world, is a rare last name. The last name Matuliak is habitual in Ukraine, where it is a rare surname, Estonia, and Belarus, where it is a very rare surname. Measured by absolute frequency, the name is most common in Ukraine, Russia, and Kazakhstan. Very seldom, Matuliak is the forename as well as the last name.