| Seong | |
| Hangul | 성 |
|---|---|
| Hanja | |
| Revised Romanization | Seong |
| McCune–Reischauer | Sŏng |
Seong (Korean: 성), also spelled Song or Sung, is an uncommon Korean family name, a single-syllable Korean given name, as well as a common element in two-syllable Korean given names. The meaning differs based on the hanja used to write it.