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 | Bulgaria, Belarus, Kazakhstan, Russia, Ukraine |
| Vlas | Moldova, Greece, Romania, Czechia, Italy |
| Wlas | Brazil, Poland, Australia, United Kingdom, United States |
| Vlashi | Greece, United States, Albania, Kosovo, Italy |