Cognomen Itoua-Bouya (Itoua-Bouya 
) , around the world, is a rare family name. The family name Itoua-Bouya 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 Itoua, and a last name Bouya.
| VARIANT | COUNTRY |
|---|---|
| Itoua-Bouya | Democratic Republic of the Congo |