| Eystein Haraldsson | |
|---|---|
| King of Norway | |
| Reign | 1142–1157 |
| Predecessor | Sigurd II and Inge I |
| Successor | Inge I and Haakon II |
| Born | c. 1125 possibly Scotland |
| Died | 21 August 1157 Bohuslän |
| Burial | Foss, Bohuslän |
| Spouse | Ragna Nikolasdatter |
| Issue | Eystein Meyla |
| House | Gille |
| Father | Harald IV of Norway |
| Mother | Bjaðǫk |
Eystein II (Old Norse: Eysteinn Haraldsson, Norwegian: Øystein Haraldsson); c. 1125 – 21 August 1157) was king of Norway from 1142 to 1157. He ruled as co-ruler with his brothers, Inge Haraldsson and Sigurd Munn. He was killed in the power-struggle against his brother, Inge, in an early stage of the civil war era in Norway.