Cognomen Васк (Vask 
, Васк 
) , around the world, is quite a common last name. The family name Васк is characteristic of Estonia, where it is quite a common surname, India, where it is a rare surname, and Kazakhstan. Not in comparison with a country's population, the name is most common in India, Estonia, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Vask | India, Estonia, Ireland, United States, Finland |
| Васк | Russia, Kazakhstan, Ukraine |