Yell is ane o the North Isles o Shetland, Scotland. In the 2011 census it haed a uisually resident population o 966. It is the seicont lairgest island in Shetland efter the Mainland wi an aurie o 82 square mile (212 km2), an is the third maist populous in the airchipelago, efter the Mainland an Whalsay.