Cognomen บุญเนียม (บุญเนียม 
, Boonniam 
, Boonnium ) , in the world, is a rare last name. The family name บุญเนียม is habitual in Thailand, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, บุญเนียม is the forename as well as the last name.