Family name Soimongkol (Soimongkol 
) , in all the world, is a rare surname. The cognomen Soimongkol is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Soimongkol | Thailand |
Kantorn, Sorapong, Kakanang, Phaninnuch, and Phassapon