Surname Влас (Влас 
, Vlas 
, Wlas 
) , in the entire world, is quite a common family name. The cognomen Влас is characteristic of Moldova, where it is quite a common surname, Albania, and Romania. In absolute terms, it is commonest in Eastern Europe, particularly Moldova, Romania, and Russia. Likewise, Влас is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Влас | Kazakhstan, Russia, Belarus, Bulgaria, Ukraine |
| Vlas | Romania, Czechia, Italy, Moldova, Greece |
| Wlas | United Kingdom, Australia, United States, Poland, Brazil |
| Vlashi | Italy, Kosovo, United States, Greece, Albania |