| Official Name: | Østerhus |
| Settlement Type: | Village |
| Pushpin Map: | Agder#Norway |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location of the village |
| Subdivision Type: | Country |
| Subdivision Name: | Norway |
| Subdivision Name1: | Southern Norway |
| Subdivision Name2: | Agder |
| Subdivision Type3: | District |
| Subdivision Name3: | Østre Agder |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Grimstad |
| Utc Offset1: | +01:00 |
| Utc Offset1 Dst: | +02:00 |
| Postal Code Type: | Post Code |
| Postal Code: | 4879 Grimstad |
| Coordinates: | 58.2763°N 8.5149°W |
| Elevation M: | 15 |
| Elevation Footnotes: | [1] |
Østerhus is a village in Grimstad municipality in Agder county, Norway. The village is located near the Skaggerak coast, about south of the town of Grimstad. Østerhus Church is located in the village. There is a large industrial area in Østerhus.