Family name Dingua (Lenga 
, Dingua 
) , in all the world, is quite a common last name. The surname Dingua is characteristic of Sub-Saharan Africa, particularly Namibia, where it is quite a common surname, the Democratic Republic of the Congo, where it is quite a rare surname, and Tanzania. In absolute terms, this name is the most popular in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, Tanzania, and Kenya. Much less frequently, Dingua is the forename as well as the last name.