Norwegian Folk Music Research Association (Norwegian: Norsk Folkemusikklag) is a folk music society based in Trondheim, Norway.
It was founded in 1948. The first president was Ole Mørk Sandvik, who sat until 1965. It organizes annual seminars and publishes the yearbook Norsk Folkemusikklags Skrifter. It is a member body of the International Council for Traditional Music (formerly: the International Folk Music Council).
Its secretariat is shared with the RFF Centre, subordinate to the Norwegian University of Science and Technology. The current president is Siri Mæland, and board members are Wigdis Espeland, Ola Graff, Geir Egil Larsen and Astrid Nora Ressem.