Osterøy may refer to:
Places Osterøy Municipality, a municipality in Vestland county, Norway Osterøy (island), an island in Vestland county, Norway
Other Osterøy prosti, a former deanery in the Church of Norway Osterøy Bridge, a road bridge in Osterøy Municipality in Vestland county, Norway Osterøy IL, a sports club based in Osterøy Municipality in Vestland county, Norway
See also Østerøya