Søren Pilmark (born 16 October 1955 in Copenhagen) is a Danish actor.
With Natasja Crone Back, he is notable for hosting the Eurovision Song Contest 2001 in a seemingly endless string of rhyming couplets.
His best-known works internationally are the film Blinkende Lygter (Flickering Lights), directed by Anders Thomas Jensen, and the mini-seriesRiget, directed by Lars von Trier. He has also written and starred in comedy productions; firstly in the "Pallesen-Pilmark Show" in 1984, and then in the "Ørkenens sønner" series. He has also dubbed Rocky in Chicken Run and O'Malley in The Aristocats in Danish. He was nominated for an Oscar in the category "Best Short Film" in 2007 for the film "Helmer og søn".
Currently he is starring as Bahnsen in commercials for DSB together with Harry, a purple puppet with red hair.
Pilmark portrayed Niels Bohr in the 2015 TV series The Heavy Water War.