Ulvøya may refer to several islands in Norway:
Ulvøya (Hadsel), an island in Hadsel municipality, Nordland county Ulvøya (Hitra), an island in Hitra municipality, Trøndelag county Ulvøya (Karmøy), an island in Karmøy municipality, Rogaland county Ulvøya (Lurøy), an island in Lurøy municipality, Nordland county Ulvøya (Oslo), an island in Oslo municipality, Oslo county