Family name Thonsawat (Thonsawat, ทอนสวัสดิ์ 
) , around the globe, is a very rare last name. The cognomen Thonsawat is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ทอนสวัสดิ์ | Thailand |