Last name Gerfi (Gerfi 
) , around the globe, is a rare family name. The family name Gerfi is habitual in Algeria, where it is a rare surname, Tunisia, and France, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Algeria, Tunisia, and Brazil. More frequently, Gerfi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gerfi | Tunisia, Brazil, Democratic Republic of the Congo, Malaysia, Algeria |