Last name บุญศักดิ์ (บุญศักดิ์ 
, Boonsak 
, Bunsak 
) , in the entire world, is quite a rare family name. The cognomen บุญศักดิ์ is characteristic of Thailand, where it is quite a rare surname, Norway, and Australia, where it is a very rare surname. Also, บุญศักดิ์ is the forename as well as the last name.