Sjernarøy may refer to:
Places Sjernarøyane, an island group in Stavanger Municipality in Rogaland county, Norway Sjernarøy Municipality, a former municipality in Rogaland county, Norway Sjernarøy Church, a church in Stavanger Municipality in Rogaland county, Norway Sjernarøy Bridge, a road bridge in the Sjernarøyane islands in Stavanger Municipality in Rogaland county, Norway