Last name กาญจนโกศล (Kanchanakosol 
, กาญจนโกศล , Kanchanakoson ) , in all the world, is quite a rare surname. The surname กาญจนโกศล is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kanchanakosol | China, Thailand |
| กาญจนโกศล, Kanchanakoson | Thailand |