Duchess of Portland (ship)

Several ships have been named Duchess of Portland (or Dutchess of Portland) for one or another of the Duchesses of Portland:


 * Duchess of Portland was launched at Bristol. She was primarily a West Indiaman but made one voyage as a slave ship and two as a whaler in the British Southern Whale Fishery. The US Navy captured her in 1812 and burnt her.
 * Duchess of Portland was launched at Troon. She was wrecked on 12 February 1867.