Nikolaj Steen (born 10. februar 1967 in Copenhagen) is a danish singer, songwriter, producer, drummer and actor He is son of Niels Jørgen Steen and brother to Paprika Steen.

Nikolaj Steen started out as poprock singer. In 1990 he moved to the big apple and got a contract with Imago. A major breakthrough did not result and Steen returned to Denmark where he has concentrated his efforts and production work and acting. He has produced, arranged and drummed for Sanne Salomonsen a.o..