Duck Island can refer to any of a number of places, including:

• Duck island (garden feature)

• Duck Island (Victoria) in Australia
• Wild Duck Island, in Australia's Northumberland Islands chain

• Duck Island (Newfoundland), one of the Wadham Islands
• Duck Island (Lake Huron), Ontario
• False Duck Island, in Lake Ontario
• Main Duck Island, in Lake Ontario

• Duck Island (Barnet) in the River Brent, Arkley, England
• Duck Island, a small island in St. James's Park lake, London
  • Duck Island Cottage, the headquarters of the London Gardens Trust
• Duck Island, County Antrim, a townland in County Antrim, Northern Ireland

• Duck Island (Milford, Connecticut), an island in Milford, Connecticut
• Duck Island, an island in Westbrook, Connecticut
• Duck Key, Florida
• Great Duck Island, Maine (sometimes simply called Duck Island)
• Duck Island (Isles of Shoals), Maine; see Isles of Shoals
• Duck Island, Maryland, an island in Washington County, Maryland
• Duck Island (Richland County, Montana), an island in the Yellowstone River in Montana
• Duck Island (Valley County, Montana), an island in the Missouri River
• Duck Island, in Squam Lake, New Hampshire
• Duck Island, a district in the Tremont neighborhood of Cleveland, Ohio
• Duck Island (New Jersey), a peninsula (formerly an island) at the confluence of the Delaware River and Crosswicks Creek
  • Duck Island, New Jersey, an unincorporated community on the northwest edge of the above peninsula
• Duck Island (New York), an island in New York
• Duck Island, in Green Lake (Seattle), Washington
• Duck Island (Vilas County, Wisconsin) (near the border with Michigan)

• Ap Chau, near Hong Kong
• Patos Island (Venezuela), in Gulf of Paria

This disambiguation page lists articles associated with the title Duck Island.
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