Surname สิริวัฒนชัย (สิริวัฒนชัย 
) , all over the world, is a very rare cognomen. The surname สิริวัฒนชัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, สิริวัฒนชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สิริวัฒนชัย | Thailand |