Cognomen Usoa (Usoa 
) , worldwide, is a very rare last name. The surname Usoa is habitual in Spain, where it is a rare surname, and Philippines, where it is an extremely rare surname. More prevalently, Usoa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Usoa | Germany, Spain, France, Philippines, United Kingdom |