Last name กาญจน์พีรกุล (กาญจน์พีรกุล 
) , in all the world, is an extremely rare cognomen. The surname กาญจน์พีรกุล is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| กาญจน์พีรกุล | Thailand |