Harald I or Harold I may refer to:
- Harald Bluetooth (c. 935 – c. 985/986), king of Denmark and also Norway
- Harald Fairhair (c. 850 – c. 932), first king of Norway
- Harold Harefoot (c. 1016 – 1040), king of England
- Harald Olafsson (c. 1223 – 1248), king of Mann (or the Hebrides) and the Isles
Topics referred to by the same termThis disambiguation page lists articles about people with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: