Nikolaj is a Danish given name, derived from the name Nicholas. Many different ways of spelling the name have been approved in Denmark. It may refer to: Nikolaj Abraham Abildgaard, Danish artist. Nicolaj Agger, Danish professional football player. Nikolaj Coster-Waldau, Danish actor. Nikolaj Frederik Severin Grundtvig, Danish teacher, writer, poet, philosopher, historian, pastor and politician. Nikolaj Koppel, Danish musician. Nikolaj Groth : (born in 1994) actor . Nikolaj Hansen (footballer, born 1987), Danish footballer for FC Roskilde.
https://en.wikipedia.org/wiki/Nikolaj