Events from the 1540s in Denmark.

• Monarch – Christian III^[1]
• Steward of the Realm – Mogens Gøye (until 1544), Eske Bille (from 1547)

1541

• The Royal Mint relocates to the former St. Clare's Priory in Copenhagen.
• Eriksen Banner succeeds Tyge Krabbe as Marshal of the Realm.

1540

• 5 September – Magnus, Duke of Holstein, prince of Denmark and titular King of Livonia (died 1583 in Latvia)

1542

• 9 November 1542 – Anders Sørensen Vedel, priest and historiographer (died 1616)

1543

• Anders Foss, bishop (died 1607)^[2]

1545

• 25 March – John II, Duke of Schleswig-Holstein-Sonderburg (died 1622)
• 29 June – Dorothea of Denmark, duchess (died 1617 in Germany)

1546

• 11 September 1546 – Arild Huitfeldt, historian (died 1609)
• 14 December – Tycho Brahe, astronomer (died 1601)

1547

• 21 December – Steen Ottesen Brahe, privy counsellor and landowner (died 1620)

1548

• Magnus Heinason, Faroese sailor and privateer (died 1589)

Date unknown

• Axel Gyldenstierne (c. 1542), Governor-general of Norway (died 1603)
• Ingeborg Skeel (c. 1545), landowner and county sheriff (died 1604)

• 1543 – Gyde Spandemager, alleged witch
• April 6 1544 – Mogens Gøye, statesman (born c. 1470)