Kari-Jukka Hietalahti (born 13 September 1964) is a Finnish actor and screenwriter.

Kari Hietalahti is best known for having appeared in several popular Finnish television series, such as Vintiöt, Ihmisten puolue, and Roba, and in films such as Rööperi and Vares: Private Eye.

[1] In August 2011, Hietalahti's first book, Kenraali Pancho & Pojat – Suuri kalottikirja, was published.

[2] In 2018, Hietalahti played Jari Aarnio in the crime drama series Keisari Aarnio, which is based on a true story.

[3] Hietalahti is married to costume designer Minna Härkönen.