Last name Pansak (พันธ์ศักดิ์ 
, พันศักดิ์ , พันธุ์ศักดิ์ , along with others...) , all around the world, is a rare surname. The cognomen Pansak is characteristic of Thailand, where it is a rare surname, and China, where it is an extremely rare surname. More frequently, Pansak is the forename as well as the last name.