Cognomen พงศ์เพ็ชร (พงศ์เพ็ชร 
) , throughout the world, is a very rare surname. The family name พงศ์เพ็ชร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, พงศ์เพ็ชร is the forename as well as the last name.