1721 in Denmark

Events from the year 1721 in Denmark.

Incumbents

 * Monarch – Frederick IV
 * Grand Chancellor – Christian Christophersen Sehested, Ulrik Adolf Holstein

Undated

 * The French theater company of the royal court, La troupe du Roi de Danemark is dissolved.

Births

 * 11 January – Anna Magdalena Godiche, publisher (died 1781)

Deaths

 * 15 March – Louise of Mecklenburg-Güstrow, Queen consort of Denmark (born 1667 in Germany)