Surname บุญหลง (บุญหลง 
, Bunlong 
) , throughout the world, is quite a rare family name. The cognomen บุญหลง is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname, Cambodia, where it is a rare surname, and Philippines, where it is an extremely rare surname. In absolute terms, it is commonest in Thailand, Cambodia, and the United States. Likewise, บุญหลง is the forename as well as the last name.