Family name オオバ (オオバ 
, Oba 
, Ooba 
) , in the entire world, is a widespread last name. The family name オオバ is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a common surname, Nigeria, where it is quite a rare surname, and Cameroon. In absolute terms, it is commonest in the Democratic Republic of the Congo, Nigeria, and Turkey. Very seldom, オオバ is the forename as well as the last name.