Cognomen ปรับปรุง (Enhy 
, ปรับปรุง 
, Perment 
) , worldwide, is a rare last name. The cognomen ปรับปรุง is habitual in Indonesia, where it is a very rare surname, France, and Thailand. Not in comparison with a country's population, it is commonest in Indonesia, France, and the United States. Likewise, ปรับปรุง is the forename as well as the last name.