The kingdom of Kasa, also known as Kasanga, was the dominant kingdom in the lower Casamance (now Senegal) in the late 15th century. Most of the inhabitants of the realm were Banun or Kasanke. In the late 16th and early 17th century the area fell under the domination of Kaabu.
- Berry, Boubakar. Senegambia and the Atlantic Salve Trade, (Cambridge: University Press, 1998) p. 42
- Clark and Phillips. Historical Dictionary of Senegal. p. 179-180