- 1023-1026: Thorkell the Tall, Regent of Denmark for Canute the Great [1]
- 1042-1047: Svend Estridsen (1019-76), Regent of Denmark (in Jutland) for Magnus I of Denmark
- 1102-1103: Harald Kesja, Regent of Denmark for his father Eric I of Denmark when he went on a pilgrimage to Jerusalem.
- 1259-1266: Margaret Sambiria of Pomerelia, Regent for her son Eric V of Denmark [2]
- 1259-1260: Knut Valdemarsen (1211-60), Co-Regent of Denmark (with Margarethe Sambiria), for Eric V of Denmark [3][4]
- 1286-1294: Agnes of Brandenburg, Regent for her son Eric VI of Denmark
- 1286-1289: Valdemar of Schleswig (d.1312), Regent for Eric VI of Denmark
- 1326-1329: Gerhard III, Regent for his nephew Valdemar III of Denmark who was a minor when he became king.
- 1332-1340: Johann of Holstein-Plon (d.1359), Regent of Denmark for Christopher II of Denmark
- 1332-1340: Gerhard III of Holstein, Regent for Christopher II of Denmark [5]
- 1423: Philippa of England, Regent for her husband, Eric of Pomerania, during his absence in Italy and Germany. [6] [7]
- 1439-1440: Christopher III of Denmark, Regent of Denmark for her husband Eric of Pomerania when he was in Italy & Germany
- Mar-Jul, 1648: Christian Thomesen Sehersted, Regent of Denmark for Christian IV of Denmark
- 1772-1784: Frederick, Hereditary Prince of Denmark and Norway, Regent for his insane half-brother Christian VII of Denmark. His mother, Juliana Maria of Brunswick-Wolfenbüttel was regarded as a de facto regent with him.
- 1784-1808: Crown Prince Frederick, the future Frederick VII of Denmark was Regent for his insane father Christian VII of Denmark
- ?-?: Crown Prince Frederick, the future Frederick VIII of Denmark, Regent for his father Christian IX of Denmark [8]
- 1942-1947: Crown Prince Frederick of Denmakr, the future Frederik IX of Denmark, Regent for his father Christian X of Denmark [9]
- ?-?: Alfiva, mistress of Canute of England and mother of Svein, King of Norway, 1030-35. [10]
- 1217-1222/23: Skule Bårdsson, Regent for his son-in-law and future rival, Haakon IV of Norway, who was 13 years old at his accession. [11]
- 1388-1412: Margaret I of Denmark, Regent of Norway "for life" after her son Olav IV of Norway
- 1955-1957: Crown Prince Olav, the future Olav V of Norway, during his father Haakon VII of Norway's illness. [12]
- 1067-1080: Haakon the Red [13]
- 1080-1083: Blot Sweyn [14]
- 1216-1222: Olof, Archbishop of Uppsala, Regent for John I of Sweden [15]
- 1248-1266: Birger Magnusson (1210-66), Jarl of Bjalbo; Regent of Sweden for his son Valdemar I of Sweden
- ?-?: Ingeborg of Norway (1301-60), wife of Erik of Sweden (d.1318), Duke of Sodermanland, 1319-?, for her son Magnus III of Sweden (jointly with Magnus’ grandmother, Hedwig of Holstein.)
- 1290-1302, 1320-1327: Hedwig of Holstein (d.1324), Regent of Sweden for her grandson Magnus III (jointly with Magnus’ mother, Ingeborg of Norway).
- 1290-1303: Thorgils Knutson (d.1306), Regent of Sweden for Birger I of Sweden
- ?-?: Erling Vidkunsson, Regent, for Magnus II (1316-77), King of Sweden and Norway.
- 1318-1319: Magnus Ketilmundsson, Regent for Birger I of Sweden and Magnus II of Sweden
- ?-?: Knut Jonsson, Regent, for Magnus II of Sweden (1316-77)
- 1424-1430: Philippa of England [16]
- 1430-1444: Josse (Jens) Eriksson (d.1436), Regent of Sweden for Eric XIII of Sweden
- 1434-1436: Kristiern Nilsson Vasa (1365-1442), Regent of Sweden for Eric XIII of Sweden
- 1435-1436: Engelbrekt Engelbrektsson (1390-1436), Regent of Sweden (jointly with Karl Knutsson Bonde)
- 1436-1440: Karl Knutsson Bonde (1408-70), Regent of Sweden (jointly with Engelbrekt Engelbrektsson)
- 1440-1441: Nils Ragnvaldsson, Regent of Sweden
- 1448, 1457, 1466-1467: Eric Axelsson Tott (1415-81), Regent of Sweden (jointly Jons Bengtsson Oxenstierna)
- 1441-1448: Kristofer (1416-48), Regent of Sweden
- 1448: Jons Bengtsson Oxenstierna (1417-66), Archbishop of Uppsala; Regent of Sweden (jointly with Erik Axelsson Tott), 1457 (jointly with Erik Axelsson Tott)
- 1464-1465: Kettil Carlson Vasa (1433-65), Bishop of Linkoping; Regent of Sweden
- 1470-1497: Sten Sture the Elder
- 1501-1503: Sten Sture the Elder
- 1504-1512: Svante Nilsson, Regent of Sweden during the Kalmar Union [17]
- 1512-1520: Sten Sture the Younger (1493-20), Regent of Sweden
- 1521-1523: Gustav I of Sweden
- 1595-1604: Charles, Duke of Södermanland, the future Charles IX of Sweden, was elected by the Riksdag during the reign of his nephew Sigismund III Vasa who ruled Sweden from Poland where he was also king. When Sigismund was declared deposed in 1599, Charles was appointed Protector of the Realm until he succeed to the throne. [18]
- 1632-1644: Axel Oxenstierna, Regent for Christina of Sweden who was only 6 years old when she succeeded her father Gustavus Adolphus of Sweden [19]
- 1632-1644: Jacob De la Gardie, Regent for Christina of Sweden [20]
- 1632-1644: Carl Carlsson Gyllenhielm, Regent for Christina of Sweden [21]
- 1632-1644: Axel Banér, Regent for Christina of Sweden [22]
- 1659-?: Gustav Bonde (1620-67), Regent of Sweden during the minority of Charles XI of Sweden
- 1660-1672: Hedwig Eleonora of Holstein-Gottorp (1636-1715), Regent of Sweden for her son Charles XI of Sweden
- 1660-1672: Carl Gustav Wrangel, Count Salmis (1613-76), Regent of Sweden for Charles XI of Sweden
- 1660-1672: Magnus Gabriel de la Gardie (1622-86), Regent of Sweden for Charles XI of Sweden
- 1718-1719: Bengt Gabrielson Orenstein (1664-1742), Regent of Sweden for Charles XII of Sweden
- 1792-1796: Charles of Sweden, Duke of Södermanland, the future Charles XIII of Sweden, Regent for his nephew, Gustav IV Adolf of Sweden, who was only 14 years old when he succeeded his assassinated father Gustav III of Sweden
- 1809: Charles of Sweden, Duke of Södermanland, the future Charles XIII of Sweden, Regent after the forced abdication of Gustav IV Adolf of Sweden until his election as king of Sweden.
- Christina of Holstein-Gottorp Regent for her son, Charles Philip of Sweden (1601-22), Duke of Sudermania, 1611-22. [23]