Niels Bjørn Larsen (15 October 1913 in Copenhagen – 13 March 2003) was a Danish ballet dancer, choreographer and balletmaster.
He was admitted to the Royal Danish Ballet school in 1920 and debuted in a production of Gudindernes Strid in 1933.
In 1942 was promoted to soloist and remained with the Royal Danish Ballet until 1986.
In the beginning of the 1930s Larsen toured Europe and the US with the Swiss mime Trudi Schoop.
He married pianist Elvi Henriksen on 13 August 1946, with whom he had a daughter, Dinna Bjørn; he is buried in Bispebjerg Kirkegård.