For the Minnan Chinese surname written
常, see
Chang (surname), its spelling in Mandarin Pinyin. For the Korean surname spelled Sŭng in the McCune–Reischauer romanisation system, see
Seung (Korean name), its spelling in Revised Romanization. For the Korean given name, see
Seong (Korean given name).
Seong (Korean: 성), also spelled Song or Sung, is an uncommon Korean family name.