Family name กิรพงศ์ (กิรพงศ์ , Giraphong ) , throughout the world, is an extremely rare surname. Much more frequently, กิรพงศ์ is the forename as well as the last name.
Kitraphong
บุญญาธิเกษม, and ศิริธรรมพันธ์
, Giraphong