Surname Yongmanitchai (Yongmanitchai 
) , in the world, is an extremely rare family name. The surname Yongmanitchai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Yongmanitchai | Thailand |
| wichien yongmanitchai botanist |
|