Cognomen Fuillerat (Fuillerat 
) , worldwide, is a rare last name. The family name Fuillerat is habitual in Spain, where it is a rare surname, Argentina, where it is a very rare surname, and Germany, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Spain, Argentina, and the United States. Also, Fuillerat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fuillerat | Spain, United States, Argentina, Germany |