Family name Onkikiene-Amphakio (Onkikiene-Amphakio 
) , all around the world, is a rare surname. The cognomen Onkikiene-Amphakio is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Onkikiene-Amphakio | Democratic Republic of the Congo |