Mario Kovač (born 25 October 1975) is a prominent Croatian theatre and movie director, but also known as a multi-talented entertainer, TV program maker, musician and DJ, as well as activist for numerous causes on the left and green political spectrum.

He was a member of Zagreb Youths Theatre school of acting from 1984 to 1996, and during that period he took part in over 50 professional and amateur projects, mainly as actor.

In 2000 they drastically reduced their membership (down to nine people) and changed their name into Nova Grupa, but their ideology of civil politics and independent "do it yourself" lifestyle stays the same.

A special aspect of his theatre involvement is work with people with disabilities, where he was key person in He has directed many plays with them and even won some awards at major festivals.

Mario Kovač is a member of numerous grass-root movements in Zagreb and Croatia, often stepping up as both public persona and director-performer, taking risks and exposing himself.