Pentti Irjala (23 September 1911 – 25 June 1982) was a Finnish actor. He was married to actress Pia Hattara since the 1940s.Since 1959, Irjala worked for the Finnish National Theatre. He appeared in over a hundred films, making him the actor with one of the longest careers in Finnish film history. He always had supporting roles in films, and according to his own memoirs, he would not have even fit into major roles.