Sandø () may refer to:
, an island in Færder Municipality in Vestfold county, Norway Sandø, an old name for Sande Municipality in Møre og Romsdal county, Norway Sandø, an old name for the old Sandøy Municipality in Møre og Romsdal county, Norway
See also Sandor (disambiguation) Sandøya (disambiguation), including Sandoy Sand Island (disambiguation)