Banana Island, Lagos is an artificial island off the foreshore of Ikoyi, Lagos, Nigeria.

Banana Island may also refer to:

Banana Island (Johor), an island in Malaysia Banana Island (Qatar), an artificial island off the coast of Doha Banana Island Provincial Park, a provincial park in British Columbia, Canada Banana Islands, a group of islands off the coast of Yawri Bay, Sierra Leone one of the Calamian Islands, Philippines , an island of Cà Mau Province, Vietnam , a bridge over the Saint-Maurice River, Quebec, Canada