1840 in Norway

Centuries:	17th; 18th; 19th; 20th; 21st;
Decades:	1820s; 1830s; 1840s; 1850s; 1860s;
See also:	1840 in Sweden; List of years in Norway

Events in the year 1840 in Norway.

Incumbents

3 January – Cathinka Guldberg, Norway's first nurse (d.1919)
14 February – Lars Olsen Skrefsrud, missionary and language researcher in India (d.1910)
30 September – Johan Svendsen, composer, conductor and violinist (d.1911)
7 November – H. G. Haugan, Norwegian-born American railroad executive.

^ Mardal, Magnus A. "Karl Johan". In Bolstad, Erik (ed.). Store norske leksikon (in Norwegian). Oslo: Norsk nettleksikon. Retrieved 18 December 2023.
^ Godal, Anne Marit (ed.). "Peder Paulsen Balke". Store norske leksikon (in Norwegian). Oslo: Norsk nettleksikon. Retrieved 29 October 2012.