Surname ทศสวัสดิ์ (Thosawad 
, ทศสวัสดิ์ , Thotssawat) , all around the world, is a very rare family name. The family name ทศสวัสดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ทศสวัสดิ์ is the forename as well as the last name.