The following locations are known as Sheep Island:

United Kingdom Sheep Island, County Antrim, Northern Ireland Sheep Island, Argyll, Argyll and Bute, Scotland Sheep Island (England), Cumbria Sheep Island, Pembrokeshire, an island of Wales Insh Island, Slate Islands, Argyll and Bute, Scotland

United States Sheep Island (Massachusetts), Massachusetts, United States Sheep Island (Washington), Washington, United States Sheep Island, an alternate name for Brooks Island, Richmond, California

Other Sheep Island (Nova Scotia), Nova Scotia, Canada Faroe Islands, Northern Europe, Faroe can be translated to 'sheep'. An island in Rice Lake (Ontario)