1803 in Norway

• Monarch: Christian VII.{{cite encyclopedia|title=Christian 7. |first=Terje |last=Bratberg |encyclopedia=Store norske leksikon |editor-last=Bolstad | editor-first=Erik |publisher=Norsk nettleksikon |location=Oslo |url=https://snl.no/Christian_7. |language=no |access-date=13 December 2023}}

• 1 January – Denmark–Norway abolishes transatlantic slave trade.
• June – Anders Olson Lysne is executed for lèse-majesté. He is the last person executed for lèse-majesté in Norway.

File:Ledaal-Stavanger.jpg

• The construction of Ledaal is finished.

• 27 September – Hans Jørgen Darre, clergyman (died 1874)

• 1 September – Georg Pettersen, politician (died 1879)
• Per Ivarson Undi, early homesteader in Wisconsin Territory (died 1860)

• 15 March – Johann Friedrich von und zu Mansbach, military officer (born 1744)
• 14 April – Johan Christian Schønheyder, bishop (born 1742)
• 22 May – Frederik Otto Scheel, military officer and civil servant (born 1748).{{cite encyclopedia|title=Frederik Otto Scheel |encyclopedia=Norsk biografisk leksikon|first=Terje |last=Bratberg |editor=Helle, Knut|publisher=Kunnskapsforlaget |location=Oslo |url=http://snl.no/.nbl_biografi/Frederik_Otto_Scheel/utdypning |language=no |access-date=15 November 2012}}
• June – Anders Olson Lysne, leader of a farmer rebellion (born 1764)
• 15 October – Ole Irgens, bishop (born 1724)
• 18 November – Ditlevine Feddersen, culture personality (born 1727)
• 24 November – Reier Gjellebøl, priest and writer (born 1737).{{cite encyclopedia|title=Reier Gjellebøl |encyclopedia=Norsk biografisk leksikon|first=Arne Bugge |last=Amundsen |editor=Helle, Knut|publisher=Kunnskapsforlaget |location=Oslo |url=http://snl.no/.nbl_biografi/Reier_Gjellebøl/utdypning |language=no |access-date=8 February 2013}}

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{{Years in Norway during the union with Denmark nav}}

{{Year in Europe|1803}}

Category:1800s in Norway

Category:1803 in Denmark

Category:Years of the 19th century in Norway