Surname Яба (Yaba 
, Яба 
) , in the entire world, is a common last name. The surname Яба is habitual in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is quite a common surname, Gabon, where it is quite a rare surname, and Ivory Coast. Not in comparison with a country's population, it most frequently occurs in the Democratic Republic of the Congo, Japan, and Philippines. Much less frequently, Яба is the forename as well as the last name.