Events from the year 1712 in Denmark.

• Monarch – Frederick IV^[1]
• Grand Chancellor – Christian Christophersen Sehested

• 8 April – The Danish frigate Heyeren sinks in Præstø Ghord after being shot upon by the Swedish frigate Hvita Örn.
• 11 April – Battle of Fladstrand, battle of the Great Northern War.
• 11 May – The Danish ship of the line Fuen and four Danish frigates refuses an attack from six Swedish frigates north of Hirsholmene.
• 1 July – The children of the theologian and landowner Hector Gottfried Masius are ennobled by letters patent with the name von der Maase.
• 20 December – The Battle of Gadebusch.

• Johan Peter Suhr, businessman (died 1785)