Family name أوبا (Oba 
, Aoba 
, Ohba 
) , in all the world, is a widespread surname. The surname أوبا is habitual in the Democratic Republic of the Congo, where it is a common surname, Japan, where it is quite a common surname, and Nigeria, where it is quite a rare surname. Very seldom, أوبا is the forename as well as the last name.