Family name แดดงสวัสดิ์ (แดดงสวัสดิ์ 
) , all around the world, is an extremely rare last name. The family name แดดงสวัสดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| แดดงสวัสดิ์ | Thailand |