Cognomen เสนีย์วงศ์ (เสนีย์วงศ์ 
, Sayneewong , Seniwongs) , in the entire world, is a rare last name. The family name เสนีย์วงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, เสนีย์วงศ์ is the forename as well as the last name.