Cognomen Villak (Villak 
) , across the world, is a very rare family name. The last name Villak is characteristic of Estonia, where it is quite a rare surname, Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Villak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Villak | Germany, India, Estonia, United States |
| feliks villak (b. 1921) |
|
|
| timo villak (b. 1980) |
|