Surname ถาก (Thak 
, ถาก ) , in the entire world, is quite a common family name. The cognomen ถาก is habitual in Malaysia, where it is a rare surname, India, and Myanmar. Very seldom, ถาก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thak | Sudan, Malaysia, Thailand, India, Myanmar |
| ถาก | Thailand |