Cognomen นิ่มสวัสดิ์ (นิ่มสวัสดิ์, Nimsawad 
) , in the world, is an extremely rare surname. The family name นิ่มสวัสดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Nimsawad | Thailand |