Family name Aunicia (Aunicia 
) , worldwide, is an extremely rare last name. The family name Aunicia is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. Much more frequently, Aunicia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aunicia | Democratic Republic of the Congo, Philippines, United States, Brazil, Venezuela |