South island
Südinsel or South Island stands for the following islands
- South Island (Aleutian Islands) , an uninhabited Aleutian island
- South Island (Cocos Islands) , one of the Australian Cocos Islands
- South Island (McDonald Islands) in the southern Indian Ocean
- South Island (Semidi Islands) , a small island in the Semidi Islands in Alaska
- South Island (Lake Turkana) , island in Lake Turkana, Kenya
- South Island (New Zealand) (Engl. South Iceland ), one of the main islands of New Zealand
- South Island (Novaya Zemlya) , a Russian island