Last name คำผาสุข (Phasuk 
, คำผาสุข) , all over the world, is quite a rare surname. The surname คำผาสุข is characteristic of Thailand, where it is quite a rare surname, Singapore, where it is a very rare surname, and Australia. Not in comparison with a country's population, it is the most numerous in Thailand, China, and Australia. Much less frequently, คำผาสุข is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phasuk | Australia, Thailand, Singapore, United States, China |