Surname กล่ำสวัสดิ์ (กล่ำสวัสดิ์, Klomsawat 
) , all around the world, is an extremely rare cognomen. The cognomen กล่ำสวัสดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Klomsawat | Thailand |