An omphalos is a type of ancient religious stone artifact; its name comes from the Greek for "navel". Omphalos may also refer to: Omphalos Stone, a stone in Greek mythology Omphalos (book), by Philip Gosse Omphalos (story), by Ted Chiang Omphalos hypothesis, which proposes that God made the world appear old when he created it Omphalos (sculpture), a sculpture in southern Sweden, named after the Omphalos in Delphi Omphalos (film) Omfalos, a sculpture in Sweden