Cognomen Gustel (Gustel 
) , globally, is a very rare last name. The last name Gustel is characteristic of Estonia, where it is a rare surname, and Germany, where it is a very rare surname. Much more prevalently, Gustel is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gustel | Germany, Estonia, United States, France, Democratic Republic of the Congo |