Surname Adulfa (Adulfa 
) , globally, is quite a rare cognomen. The last name Adulfa is habitual in Mexico, where it is a rare surname, Venezuela, where it is a very rare surname, and Spain. Likewise, Adulfa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Adulfa | Mexico, Spain, Venezuela, United States, Philippines |