Cognomen บัญชาศักดิ์ (บัญชาศักดิ์ 
, Banchasak , Bunchasak ) , globally, is a rare family name. The family name บัญชาศักดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, บัญชาศักดิ์ is the forename as well as the last name.