Surname โลหะสวัสดิ์ (โลหะสวัสดิ์ 
, Lohsawat 
, Lohasawad ) , worldwide, is a very rare last name. The cognomen โลหะสวัสดิ์ is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lohasawas, โลหะสวัสดิ์, Lohasawad | Thailand |
| Lohsawat | United States, Thailand |