Last name สุนชัย (สุนชัย 
) , all over the world, is a very rare surname. The family name สุนชัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, สุนชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สุนชัย | Thailand |