Nils Larsen (June 7, 1888 – November 5, 1937) was a Norwegian pianist, composer, and pedagogue.

[1][2] He was one of Norway's leading pianists before the Second World War[2] and was an influential promoter of Norwegian piano performance.

[1][2] He made his debut as a composer with four works in 1908 and as a pianist at the Gamle Logen concert hall in 1909.

[1][2] He spent time in the United States from 1919 to 1920,[2] and he toured Norway with the violinist Leif Halvorsen[3][4] with great success until his last concert, on January 15, 1924.

Among his students were Robert Levin,[5] Robert Riefling,[2] Reimar Riefling,[2] Tore Sinding,[6] Elisabeth Reiss, Eline Nygaard, Kristian Hauger,[2] Sølvi Wang, Gunvor Mjelva, Ester Skogsrud, Ruth Lagesen, Ingebjørg Gresvik, Hans Solum, Hildegunn Reuter, Kåre Siem, Klaus Egge,[7][8] Johan Øian,[2] and Ivar Johnsen.