Surname ดวงคำสวัสดิ์ (Good Luck 
, ดวงคำสวัสดิ์, Doungkamsawat 
) , around the globe, is a rare family name. The surname ดวงคำสวัสดิ์ is habitual in Oman, where it is a rare surname, Saudi Arabia, and Egypt, where it is a very rare surname. Measured by absolute frequency, it is commonest in Saudi Arabia, Nigeria, and Egypt. Likewise, ดวงคำสวัสดิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Good Luck | Saudi Arabia, Oman, Bangladesh, Nigeria, Egypt |
| Doungkamsawat, Duangkamsawat | Thailand |