Matti Uolevi Kassila (12 January 1924 – 14 December 2018) was a Finnish movie director. He was born in Keuruu, Finland. He was popular in the 1950s and 1960s. He was 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.