Cognomen Ñacato Oña (Ñacato Oña 
) , across the world, is a very rare family name. The cognomen Ñacato Oña is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ñacato Oña | Ecuador |
Juan Carlos, and Mayra Liliana