Surname Ontsira-Amona (Ontsira-Amona 
) , in all the world, is a rare last name. The last name Ontsira-Amona is habitual in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare surname. Parts of the name also exists independently as a last name Ontsira, and a last name Amona.
| VARIANT | COUNTRY |
|---|---|
| Ontsira-Amona | Democratic Republic of the Congo |