Surname ไพศาลศักดิ์ (ไพศาลศักดิ์ 
, Paisansak ) , globally, is a very rare family name. The cognomen ไพศาลศักดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ไพศาลศักดิ์ is the forename as well as the last name.