1621 in Denmark

Events from the year 1621 in Denmark.

Incumbents

 * Monarch – Christian IV

Events

 * Maribo Abbey closes, and its lands eventually become part of Sorø Academy

Births

 * 8 July – Leonora Christina Ulfeldt, daughter of Christian IV and Countess of Schleswig-Holstein (died 1698)

Deaths

 * 8 March – Enevold Kruse, nobleman who served as Governor-general of Norway (born 1554)
 * 26 June – Christence Kruckow, noblewoman and accused witch (born c. 1558)