Last name พันธ์พงศ์ (Phanpong 
, พันธ์พงศ์ , Phanphong ) , in the world, is a rare cognomen. The surname พันธ์พงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, พันธ์พงศ์ is the forename as well as the last name.