Save Type Surname (from nickname) Usage Thai Scripts แสงสว่าง(Thai) Pronounced Pron. /sɛːŋ˩˩˦.sa˨˩.ˈwaːŋ˨˩/ [key·simplify] Other Forms FormsSengsawang, Sangsawang Meaning & History From Thai แสง (saeng) meaning "light, ray, beam" and สว่าง (sawang) meaning "bright, shining, brilliant".