Family name กตัญญูไชยพงศ์ (กตัญญูไชยพงศ์ 
) , in the world, is an extremely rare surname. The last name กตัญญูไชยพงศ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| กตัญญูไชยพงศ์ | Thailand |