Last name สวัสดิ์ธงชัย (สวัสดิ์ธงชัย 
) , around the globe, is a very rare surname. The family name สวัสดิ์ธงชัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| สวัสดิ์ธงชัย | Thailand |