Song Yu-in
| Song Yu-in | |
| Hangul | 송유인 |
|---|---|
| Hanja | 宋有仁 |
| Revised Romanization | Song Yuin |
| McCune–Reischauer | Song Yuin |
Song Yu-in (Korean: 송유인; Hanja: 宋有仁; ? – October 18, 1179) was a Goryeo military official who served the Goryeo military regime. The son-in-law of military ruler Chŏng Chung-bu, he was killed when Kyŏng Tae-sŭng took control of the government from his father-in-law.