Matti Kassila (12 January 1924 – 13 December 2018) was a Finnish film director who achieved fame as one of the most prominent Finnish filmmakers in the 1950s and 1960s. He is most famous for the series of four Inspector Palmu movies, based on the character created by Mika Waltari. During his long career, he won seven Jussi Awards, including a concrete Jussi for lifetime achievement, and received numerous other commendations. His 1959 film Punainen viiva was entered into the 1st Moscow International Film Festival. He was also one of the screenwriters for the 1968 film Here, Beneath the North Star, directed by Edvin Laine.