Surname Nongo (Nongo 
) , worldwide, is quite a common cognomen. The family name Nongo is habitual in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is quite a rare surname, Angola, where it is a rare surname, and Cameroon. In absolute terms, the name is most common in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, Nigeria, and Angola. Very seldom, Nongo is the forename as well as the last name.