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