Maryus Erikovich Vaysberg (Russian: Марюс Эрикович Вайсберг; born 1 April 1971; Moscow) also known as Marius Balčiūnas-Weisberg, is a Russian film director, producer, and screenwriter of Lithuanian and Jewish descent.

His father, Erik Vaysberg, had had his own career in the Soviet film industry- he acted as the executive producer of Tarkovsky's film Mirror, on Andrei Konchalovsky's film Siberiade, and Karen Shakhnazarov's film The Assassin of the Tsar.