Sven Tuuva the Hero (Finnish: Sven Tuuva, Swedish: Sven Dufva) is a 1958 Finnish war film written and directed by Edvin Laine, who also stars as one of the lead actors. The cast also includes the director's brother Aarne Laine and the director's wife Mirjam Novero. The film was entered into the 9th Berlin International Film Festival. It is loosely based on the poem "Sven Dufva" which is part of The Tales of Ensign Stål, written by Johan Ludvig Runeberg, the national poet of Finland.