Surname Jongjankhaw (Jongjankhaw 
) , around the world, is a very rare last name. The last name Jongjankhaw is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jongjankhaw | Thailand |
Chaiyoot, Parichat, and Phattarawadee