Surname บุญญสิทธิ์ (Bunyasit 
, บุญญสิทธิ์ ) , across the world, is a rare cognomen. The cognomen บุญญสิทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Also, บุญญสิทธิ์ is the forename as well as the last name.