Maarius Pärn (born September 18, 1982 in Põltsamaa) is an Estonian actor.

He graduated from Jõgeva Gymnasium in 2001, and in 2009 he graduated from Viljandi Academy of Culture's 7th flight of theater arts as an actor.

Works at Improteater. He has also played in the performances of Ugala, Rakvere Teater, Kuressaare City Theater and Teaterlabor.