SS Orion is a steel steamship moored on the western shore of the islet Skeppsholmen in central Stockholm, Sweden, now serving as a museum ship.
The ship, classed as a Salvage Steamship, is the oldest of its kind still remaining in Sweden today.
She was decommissioned in 1979, and since 1993 has been a museum ship in the Skeppsholmen quay-berths. It is a listed historic ship of Sweden.