Aku-Heikki Ilmari Hirviniemi (born 5 December 1983, in Riihimäki) is a Finnish actor. ()
Aku Hirviniemi was born on December 5, 1983 in Riihimäki, Finland as Aku-Heikki Ilmari Hirviniemi. He is an actor and writer, known for The Unknown Soldier (2017), Roba (2012) and Reunion (2015).Married to Niina Lahtinen.