Last name อิฐสุวรรณกุล (อิฐสุวรรณกุล 
) , around the world, is an extremely rare family name. The surname อิฐสุวรรณกุล is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| อิฐสุวรรณกุล | Thailand |