Surname พิศวาสดิ์ (พิศวาสดิ์ 
) , across the world, is a very rare family name. The cognomen พิศวาสดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, พิศวาสดิ์ is the forename as well as the last name.