1803 in Denmark

Events from the year 1803 in Denmark.

Incumbents

 * Monarch – Christian VII
 * Prime minister – Christian Günther von Bernstorff

Undated

 * Import of slaves to the Danish West Indies is abolished.
 * The Port of Odense is established.
 * Bertel Thorvaldsen completes his statue of Jason with the Golden Fleece, his first major success.

January–March

 * 4 January – Robert Cleaver Chapman, pastor, teacher and evangelist, the apostle of Love (died 1902)
 * 12 January – Christian Pløyen, jurist and government official (died 1867)
 * 8 March – Ferdinand Thielemann, architect (died 1863)
 * 19 March – Christine Løvmand, artist specializing in painting flowers and still lifes (d. 1872)

April–June

 * 20 April – Christian Hansen, architect (d. 1883)
 * 23 April – Heinrich Gustav Ferdinand Holm, artist and engraver (d. 1861)
 * 2 May – Albert Küchler, painter active in Italy (d. 1886)
 * 17 May – Martinus Rørbye, painter (d. 1848)

July–September

 * 19 August – Aage Dons, author (died 1993)
 * 4 September – Anna Nielsen, mezzo-soprano (died 1856)

October–December

 * 5 October - Friedrich Bernhard Westphal, painter (d. 1844)
 * 4 December – Knut Jungbohn Clement, linguist (died 1873)
 * 31 December
 * Alfred Hage, merchant and landowner (died 1872)
 * Emilie da Fonseca, actress and opera singer (died 1884)

Deaths

 * 18 January – Frederik Christian Kaas, naval officer (born 1725)
 * 6 February – Peder Rosenstand-Goiske, lawyer and playwright (born 1752)
 * 4 June – Peter Ascanius, natural scientist (born 1723)
 * 7 April – Antoine de Bosc de la Calmette, county governor (born 1752)
 * 11 June – Henrik Brockenhuus, landowner (born 1720)