Surname สารสวัสดิ์ (Sartsawat 
, Sarsawat 
, Sarasawat 
) , worldwide, is a rare cognomen. The last name สารสวัสดิ์ is characteristic of Thailand, where it is a rare surname, India, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, สารสวัสดิ์ is the forename as well as the last name.