Surname Itthikornwekin (Itthikornwekin 
) , in the world, is a very rare family name. The surname Itthikornwekin is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Itthikornwekin | Thailand |
Arphakorn, Chanidapha, and Chinnaphat