Cognomen หวัก (Wak 
, หวัก) , throughout the world, is quite a common family name. The family name หวัก is characteristic of Papua New Guinea, where it is quite a rare surname, Morocco, and Malaysia. Not in comparison with a country's population, this name is the most popular in Morocco, Papua New Guinea, and Indonesia. Likewise, หวัก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wak | Indonesia, Papua New Guinea, Morocco, China, Malaysia |