This list of Dubious Danish Kings is half history and half legendary. (in Danish)
- Hrothgar (Roar)
- Ongendus (Angantyr) d. 728
- Helgi (Helge) legendary 728-?
- Siger legendary
Budle father of Gudfred perhaps not a king.
- Sigfrid , mention 776- d. before 804
- Gudfred (Gudrød Vejdekonge) latest 804- d. 810
- Eyetein fart (Eyetein Fjært) of Västergötland?
- Halfdan (Halvdan) Norway?
- Hemming d. 811
- Anulo (Ole/Olav) d. 812
- Sigfrid (Sigurd) d. 812
- Harold 812-815 (died ca 863 by exile)
- Eric the Child (Erik Barn) o. 812 - d. 854
- Halfdan (Halvdan) o. 812-? (possibly died by exile)
- Eric the younger (Erik den Yngre) ca. 854- mention 864, (possibly d. 873)
- Harold (Harald Hårfager ) o. 871- d. o. 933 by Norweg
- Uffe (Ubbe) possibly o. 873 (died by exile)
- Sigfrid "Snake eye" (Sigurd Orm i Øje) mention 873- d. 903, do coin money by East Anglia.
- Halfdan (Halvdan) mention 873- d. 876/877
- Godred alias Canute (Harde-Knud/Gudfred/Gudrød) ca. 881- d. 895/896 of Northumbria and do coin money by East Anglia.
- Helgi ? - ?
- Olof the Brash (Olav/Ole den Frøkne) mention o. 925
- Gurd ?
- Canute (Knud/Chnuba) mention 934
- Sigerich (Sigtryg) about 935
- Gothrum the English or Worm (Gorm den Gamle / Gorm den Engelske) mention 936- earliest d. 958
- Harold Bluetooth (Harald Blåtand) earliest 944- d. latest 987
- Sweyn I Forkbeard alias Otto (Svend Tveskæg) d. 1014
- Harald only known from Saxo 1014-1018
- Canute the Great alias Lambert (Knud den Store) * 1014/1018-1035
See also
For other lists of Scandinavian kings, see e.g.