Last name บัก (Bak 
, Bug 
, Bhak 
) , in the entire world, is a common cognomen. The surname บัก is habitual in Denmark, where it is quite a common surname, Poland, and Hungary (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Poland, Turkey, and Denmark. Also, บัก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bak | India, United States, Poland, Turkey, Denmark |
| Bug | Algeria, India, Morocco, United States, Turkey |
| Bhak | Malaysia, Israel, India, Canada, United States |
| บัก | Thailand |