← 1822 1821 1820 1823 in Denmark → 1824 1825 1826
Decades:	1800s 1810s 1820s 1830s 1840s
See also:	Other events of 1823 List of years in Denmark

Events from the year 1823 in Denmark.

• Monarch – Frederick VI^[1]

Undated

• Rønne Theater is established on Bornholm

• 18 April – Leif Panduro, author (died 1977)
• 19 April – Edvard Jünger, precision mechanic (died 1899)
• 22 April – Line Luplau, women's right activist and suffragist (died 1891)
• 12 May – Frederik Vermehren, painter (died 1910)
• 23 May – Christopher Puggaard, geologist (died 1864)

• 19 July – Julie Sødring, actress (died 1894)
• 15 September – Emanuel Larsen, marine painter (died 1859)

• 30 October – Auguste Sophie Friederike, princess of Hesse-Cassel (died 1889)
• 4 December – Alfred Benzon, pharmacist and industrialist (died 1884)

• 28 January – Ernst Peymann, army officer (born 1737)
• 30 March – Carl Wilhelm Jessen, naval officer (born 1764)
• 30 April – Peter Atke Castberg, physician (born 1779)
• 6 June – Christian Conrad, Count of Danneskiold-Samsøe, councillor, board member, landowner and magistrate (born 1774) -
• Amalie Sophie Holstein, noble and courtier (born 1748)