John, also known as Hans; né Johannes (February 2, 1455 – February 20, 1513) is King of Denmark (1481–1513), Norway (1483–1513) and as John II (Swedish: Johan II) of Sweden (1497–1501) in the Kalmar Union, and also Duke of Schleswig and Holstein.

The three most important political goals of King John are the restoration of the Kalmar Union, reduction of the dominance of the Hanseatic League, and the building of a strong Danish royal power.