Cognomen Uxua (Uxua 
) , worldwide, is a very rare last name. The cognomen Uxua is characteristic of Spain, where it is a rare surname, Venezuela, where it is an extremely rare surname, and Argentina. More frequently, Uxua is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Uxua | Spain, Venezuela, Argentina, Peru, Finland |
| pedro de uxua bishop of the Roman Catholic Church |
|