Last name คำไพบูลย์ (คำไพบูลย์, Khamphaibun 
) , in all the world, is a very rare family name. The family name คำไพบูลย์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khamphaibun | Thailand |