Save Type Surname (from nickname) Usage Thai Scripts แสงทอง(Thai) Pronounced Pron. seng-TAWNG [key·IPA] Other Forms FormsSaengtong, Sengthong, Sengtong, Sangthong, Sangtong Meaning & History From Thai แสง (saeng) meaning "light, ray, beam" and ทอง (thong) meaning "gold".