Globally, Gustelia (Gustelia 
) is a rare girly first name. The first name Gustelia is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare feminine name. Very seldom, Gustelia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gustelia | Brazil, Democratic Republic of the Congo, United States, Canada |