Family name Obiono (Obiono 
) , all around the world, is quite a rare last name. The surname Obiono is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is quite a rare surname, Cameroon, where it is a rare surname, and Nigeria, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Obiono | Nigeria, Cameroon, Democratic Republic of the Congo |