Friis Niels, *4 November 1904 Copenhagen, †24 January 1973 (?), Danish music historian and organist. He studied organ playing and law in Copenhagen. He published a number of works on the history of Danish music.
Militaermusikken (‘military music’), Viborg 1941
Det kongelige Teater (‘royal theatre’), Copenhagen 1943
D. Buxtehude, Copenhagen 1945, 2nd ed. 1960
Roskilde Domkirkes orgel i 400 år (‘The Organ of Roskilde Cathedral: 400 Years’), Copenhagen 1957
Viborg Domkirkes orgel 1560–1966 (‘The Organ of Viborg Cathedral’), Viborg 1967
