Pierre-Marc Blaise (29 February 1952 or 11 June 1955 – 31 August 1975) was a French film actor. He is best known for the role of Lucien Lacombe in Louis Malle's 1974 film Lacombe, Lucien. An amateur selected for Malle's film, Blaise went on to act in three additional films, The Big Delirium, The Porcelain Anniversary and Per le antiche scale, all released in 1975. His career was cut short when he was killed in a car accident in 1975.