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