| Grand Prince Changnyeong | |
| Hangul | 창녕대군 |
|---|---|
| Hanja | |
| Revised Romanization | Changnyeong Daegun |
| McCune–Reischauer | J'angnyŏng Taekun |
| Birth name | |
| Hangul | 이성 |
| Hanja | |
| Revised Romanization | Yi Seong |
| McCune–Reischauer | I Sŏng |
Grand Prince Changnyeong (Korean: 창녕대군; Hanja: 昌寧大君; 18 June 1500 – 10 October 1506[1]), his personal name was Yi Seong (이성; 李誠) was a Korean Royal Prince as the fourth son (formally as second son)[2] of Yeonsangun of Joseon and Deposed Queen Shin of the Geochang Sin clan.[3][4]