Kosti Klemelä (29 February 1920 – 26 March 2006) was a Finnish actor.

He is best remembered for playing the role of Lt. Koskela in the Edvin Laine film The Unknown Soldier (1955).

[1] In addition to his film career, he worked for the Finnish National Theatre until his retirement.

[2] He is buried in the Hietaniemi Cemetery in Helsinki.

This article about a Finnish actor is a stub.