Last name Bouna (Bouna 
, بونا 
, Буна 
) , around the world, is a common surname. The surname Bouna is characteristic of Sub-Saharan Africa, particularly Mauritania, where it is quite a common surname, the Democratic Republic of the Congo, where it is quite a rare surname, and Cameroon. In absolute terms, it most frequently occurs in the Democratic Republic of the Congo, Algeria, and Mauritania. Likewise, Bouna is the forename as well as the last name.