Surname สมัครชัย (สมัครชัย 
) , in the entire world, is a very rare cognomen. The surname สมัครชัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, สมัครชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สมัครชัย | Thailand |