Otter Island may refer to:
Otter Island (Alaska), island near Saint Paul Island, Alaska Otter Island (Ontario), island in Ontario, Canada Otter Island (South Carolina), noted in American Civil War accounts Otter Island (Wisconsin), island located in Wisconsin Otter Island (Tangier Sound), island in Maryland Otter Island (Scotland), island in Scotland Otter Island, an island on Derwentwater in Cumbria, England