Cognomen เปล่ง (Pleng 
, เปล่ง) , in the world, is a very rare last name. The family name เปล่ง is habitual in Indonesia, where it is a very rare surname, Canada, and Thailand. In absolute terms, this name is the most popular in Indonesia, the United States, and Thailand. Likewise, เปล่ง is the forename as well as the last name.