Uku Uusberg (born December 7, 1984 in Rapla) is an Estonian actor and director.

He graduated from the Rapla High School in 2003 and from the XXIII flight of the Estonian Academy of Music and Theater School of Performing Arts in 2008. Since 2008, Uusberg has been working at the Estonian Drama Theater, first as an actor and since 2012 as a director.

On May 19, 2021, the Tallinn city government confirmed Uku Uusberg as the new chief stage manager of the Tallinn City Theater, and he took office on June 21, 2021.

He is the son of Urve Uusberg and Valter Uusberg and the brother of Pärt Uusberg and Andero Uusberg. He is married to Tallinn City Theater actress Sandra Uusberg; they had a son in November 2014 and a daughter in April 2016.