Cognomen สฤษดิ์วงศ์ (Saritwong 
, สฤษดิ์วงศ์ , Saridvong ) , in all the world, is an extremely rare last name. The family name สฤษดิ์วงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, สฤษดิ์วงศ์ is the forename as well as the last name.