Morten Lorentzen (born 19 August 1960) is a Danish comedian, actor and film director. He is the son of the composer Bent Lorentzen. Appearing both on film and TV and as a live stand-up, he is best known for his role as John in the comic duo of on TV 2, alongside Povl Erik Carstensen. He wrote the script and starred in the film Holes in the Soup in 1988 featuring John and Aage.