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