Cognomen Etelberto (Etelberto 
) , in all the world, is quite a rare last name. The surname Etelberto is habitual in Latin America and the Caribbean, particularly Mexico, where it is a rare surname, Venezuela, where it is a very rare surname, and Colombia. Also, Etelberto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Etelberto | Brazil, Colombia, Mexico, United States, Costa Rica |
Adalberto, Адалберто, Адальберто, and アドリアノ