Family name คำพูน (Word 
, Kampoon 
, Khamphoon ) , all over the world, is quite a common last name. The cognomen คำพูน is characteristic of Myanmar, where it is quite a rare surname, Ghana, and the United States. In absolute terms, the name is most common in the United States, Myanmar, and Indonesia. Very seldom, คำพูน is the forename as well as the last name.