Surname อินสวัสดิ์ (อินสวัสดิ์ 
, Insawat , Insawas ) , in the entire world, is a rare last name. The cognomen อินสวัสดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, อินสวัสดิ์ is the forename as well as the last name.