Surname Bunyong (บุญยงค์ 
, บรรยง , บุญยง , among others...) , across the world, is quite a rare cognomen. The cognomen Bunyong is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname, and Singapore, where it is a rare surname. More frequently, Bunyong is the forename as well as the last name.