Yi Si-ae
| Yi Si-ae | |
| Hangul | 이시애 |
|---|---|
| Hanja | 李施愛 |
| Revised Romanization | I Siae |
| McCune–Reischauer | I Siae |
Yi Si-ae (Korean: 이시애; Hanja: 李施愛, ? – August 12, 1467) was a Korean Joseon Dynasty politician and soldier who led a rebellion against King Sejo for his centralization policy in the northern provinces.