The following is a list of notable events and releases of the year 1931 in Norwegian music.
- 3 – Otto Winter-Hjelm, composer, known especially for his operas.musician, conductor, writer, composer, and music critic (born 1837).
- 29 – Kjell Karlsen, band leader, composer, arranger, jazz pianist and organist.
- Risa, Gunvor (2009-02-13). "Margrethe Munthe". In Helle, Knut (ed.). Norsk Biografisk Leksikon (in Norwegian). Oslo: Kunnskapsforlaget. Retrieved 2017-04-06.
- Dybsand, Øyvin (2013-09-16). "Otto Winter Hjelm". In Helle, Knut (ed.). Norsk Biografisk Leksikon (in Norwegian). Oslo: Kunnskapsforlaget. Retrieved 2017-04-06.
- "Pianist Kaare Ørnung er død" (in Norwegian). Verdens Gang. 2013-10-02. Retrieved 2016-02-21.
- "Composer Nordheim dead at 78" (in Norwegian). NewsInEnglish.no. 2010-06-06. Retrieved 2015-05-04.
- Bjerkek, Ole Petter (2012-05-09). "Bjørg Lødøen". Store Norske Leksikon (in Norwegian). Retrieved 2017-03-18.