Family name แสงรุ่ง (Saengrung 
, Sangroong , แสงรุ่ง) , across the world, is a rare surname. The surname แสงรุ่ง is characteristic of Thailand, where it is a rare surname, China, where it is an extremely rare surname, and the United States. Much less frequently, แสงรุ่ง is the forename as well as the last name.