Eric of Pomerania KG (1381 or 1382 – 24 September 1459) was King Eric (Eirik) III of Norway (1389–1442), King Eric VII of Denmark (1396–1439), and King Eric (Ericus) XIII (VIII) of Sweden (1396–1439; known there in history mainly as Erik av Pommern). He was the first King of the Nordic Kalmar Union, succeeding his adoptive mother Margaret I of Denmark, and was also Duke Eric I of Pomerania.