Family name Dedan (Dedan 
, דדאן 
, Дедан 
) , all over the world, is quite a rare cognomen. The last name Dedan is habitual in Tanzania, where it is quite a rare surname, Kenya, where it is a rare surname, and Sudan. Not in comparison with a country's population, the name is most common in Sub-Saharan Africa, particularly Tanzania, Nigeria, and Kenya. More prevalently, Dedan is the forename as well as the last name.