Last name คำพยัคฆ์ (คำพยัคฆ์, Kumphayak 
) , throughout the world, is an extremely rare family name. The surname คำพยัคฆ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kumphayak | Thailand |