Family name Kongtawin (Kongtawin 
) , in all the world, is a very rare surname. The family name Kongtawin is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kongtawin | Thailand |
Sopark, Daranee, Nuttawut, Preechapon, and Sattabongkoth