Events in the year 1931 in Norway.
Notable births
- 10 January – Olaf B. Bjørnstad, ski jumper
- 27 January – Sissel Lange-Nielsen, writer, literary critic, and journalist
- 31 January – Ole Gabriel Ueland, politician
- 22 February – Georg Johannesen, author and professor of rhetoric (died 2005)
- 4 March – Ludvig Hope Faye, politician
- 23 March – Kjell Knudsen, politician
- 2 April – Åslaug Grinde, politician
- 5 April – Peter R. Holm, poet, author and translator
- 11 April – Olav Marås, politician
- 26 April – Øyvind Bjorvatn, politician
- 26 April – Ola Mikal Heide, botanist
- 27 April – Vera Louise Holmøy, judge
- 28 April – Karen Sogn, politician
- 9 May – Erik Dammann, author and environmentalist
- 19 May – Leif Raa, illustrator (died 2003).[1][2]
- 25 May - Selmer Nilsen, fisherman who spied for the KGB (died 1991)
- 31 May - Yngvar Løchen, sociologist (died 1998)
- 5 June - Einar Magnussen, economist and politician (died 2004)
- 18 June - Eigil Nansen, human rights activist
- 20 June – Arne Nordheim, composer
- 8 July – Thorvald Stoltenberg, politician and Minister (died 2018).[3]
- 24 July – Sverre Holm, actor (died 2005)
- 5 September – Torstein Slungård, politician
- 1 October – Tore Haugen, politician
- 6 October – Johan M. Nyland, politician (died 2007)
- 11 October – Bjørn Slettan, historian
- 12 October – Ole-Johan Dahl, computer scientist (died 2002)
- 6 November – Bjartmar Gjerde, politician
- 8 November – Ole Knapp, politician and Minister
- 23 November – Karin Stoltenberg, geneticist, politician (died 2012).[4]
Notable deaths
- 31 March – Knute Rockne, American football player and coach (born 1888)
- 23 April – Nils P. Haugen, a U.S. Representative from Wisconsin (born 1849)
- 26 April – Axel Holst, professor of hygiene and bacteriology (born 1860)
- 14 August – Olav Johan Sopp, mycologist (born 1860)
- 1 September – Anders Andersen, politician (born 1846)
- 27 September – Thorleif Frederik Schjelderup, businessperson (born 1859)
- 5 November – Ole Edvart Rølvaag, novelist and professor in America (born 1876)
- 11 November – Marie Hauge, painter (born 1864)
- 17 December – Hans Nilsen Hauge, priest, politician and Minister (born 1853)