1821 in Norway

Incumbents

• Monarch: Charles III John.

Events

• 1 August - The Nobility of Norway is abolished.
• Fredrik Meltzer designs the modern flag of Norway to replace the modified Danish and Swedish flags then in use.
• Thomas Fasting became the first individual ever convicted in an impeachment trial by the Norwegian Constitutional Court of the Realm.
• The town of Lillesand is founded.

Births

• 18 January – Minna Wetlesen, educator.
• 2 May – Jens Andreas Friis, linguist and author
• 14 July – Jens Holmboe, politician and Minister
• 17 August – Jacob Andreas Michelsen, businessperson and politician
• 23 August – Christian Collett Kjerschow, politician
• 24 October – James DeNoon Reymert, newspaper editor, mine operator, lawyer and politician
• 18 November – Johan Jørgen Lange Hanssen, politician

Full date unknown

• Eilev Jonsson Steintjønndalen, Hardanger fiddle maker

Deaths

• 14 January – Jens Zetlitz, priest and poet
• 5 March – Gabriel Schanche Kielland, businessman and ship owner
• 20 May – Abraham Pihl, clergyman, astronomer and architect.
• 21 November – Jonas Rein, priest, poet and member of the Norwegian Constituent Assembly at Eidsvoll