Cognomen บึง (Marsang 
, บึง , Bueng 
) , in the entire world, is a rare last name. The cognomen บึง is habitual in Norway, where it is quite a rare surname, Trinidad and Tobago, and Philippines, where it is a rare surname. Not in comparison with a country's population, it is commonest in Philippines, Thailand, and Norway. Also, บึง is the forename as well as the last name.