30 April – Population Census: Norway had 885,431 inhabitants.
The Supreme Court of Norway was established on the basis of the Constitution of Norway's §88, prescribing an independent judiciary.
19 February – Elise Wærenskjold, Norwegian-American pioneer in Texas (d. 1895)
4 April – Johannes Wilhelm Christian Dietrichson, Lutheran Minister (d. 1883)
3 May – Mads Langaard, brewery owner and industrialist (d.1891).
4 July – Daniel Cornelius Danielssen, physician (d.1894)
23 July – Johan Christian Johnsen, politician (d.1898)
30 July – Herman Severin Løvenskiold, composer (d.1870)
15 September – Halfdan Kjerulf, composer (d.1868)
Nicolai Friis, politician (d.1888)
Hans Peder Johansen Hafslund, politician
Thomas Henrik Hammer, jurist and politician (d.1900)
Hans Gerhard Colbjørnsen Meldahl, jurist and politician (d.1877)
Joseph Frantz Oscar Wergeland, military officer, cartographer and skiing pioneer (d.1895)
1815 in Norway Wikipedia