Family name คำแปง (Khampaeng 
, Kampaeng 
, Khamphaen 
) , around the world, is a rare surname. The surname คำแปง is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, Singapore, and Myanmar, where it is a very rare surname. Much less frequently, คำแปง is the forename as well as the last name.