Surname จุลศักดิ์ (จุลศักดิ์ 
, Chulasak , Julasak 
) , around the world, is a rare family name. The surname จุลศักดิ์ is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Also, จุลศักดิ์ is the forename as well as the last name.