Cognomen Ploujoux (Ploujoux 
) , around the globe, is a very rare family name. The family name Ploujoux is habitual in France, where it is a very rare surname, Spain, and the United States, where it is an extremely rare surname. Very seldom, Ploujoux is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ploujoux | United States, France, Spain, China |