1909 in Denmark

The following lists events that happened during 1909 in the Kingdom of Denmark.

Incumbents

 * Monarch – Frederick VIII
 * Prime minister – Niels Neergaard (until 16 August), Ludvig Holstein-Ledreborg (until 28 October), Carl Theodor Zahle

Events

 * 20 April – Women are given the right to vote in municipal elections. General women's suffrage is not introduced in Denmark until 1915.

Sports

 * 9 June – Skovshoved IF is founded.

Cycling

 * 14–23 August – The 1909 UCI Track Cycling World Championships are held in Copenhagen.

January–March

 * 3 January – Victor Borge, Danish-American comedian, conductor and pianist (d. 2000)
 * 22 February – Vermund Larsen, businessman, company founder (died 1970)

April–June

 * 9 May – Hilde Levi, physicist (died 2003)

July–September

 * 5 July – Aagot Lading, educator (died 1963)

October–December

 * 20 August – Martin A. Hansen, writer (died 1955)
 * 20 December – Vagn Holmboe, composer (died 1996)

January–March

 * 13 February
 * Hugo Egmont Hørring, politician, prime minister of Denmark (born 1842)
 * Hans Peter Jørgen Julius Thomsen, lawyer (born 1826)

April–June

 * 7 May – Joachim Andersen, flutist, conductor and composer (born 1847)

July–September

 * 9 July – Johannes Forchhammer, philologist (born 1827)
 * 19 July – Leopold Rosenfeld, composer (born 1849)
 * 27 August – Emil Christian Hansen, chemist (born 1842)
 * 25 September – Thomas Skat Rørdam, theologian and bishop (born 1832)

October–December

 * 13 October – Janus la Cour, painter (born 1837)
 * 21 November – Peder Severin Krøyer, Norwegian-born painter (b. 1851)
 * 4 December – Princess Marie of Orléans, wife of Prince Valdemar (born 1865 in London)
 * 29/30 December – Carl Emil Krarup, telegraph engineer, mainly known for the invention of the Krarup cable, a kind of loaded cable (born 1872)