| Korean name | |
| Hangul | 완은군 |
|---|---|
| Hanja | 完恩君 |
| Revised Romanization | Waneungun |
| McCune–Reischauer | Wanŭn'gun |
| Birth name | |
| Hangul | 이재선 |
| Hanja | 李載先 |
| Revised Romanization | I Jaeseon |
| McCune–Reischauer | I Chaesŏn |
Prince Imperial Waneun (Korean: 완은군; Hanja: 完恩君; 1 August 1842 – 28 October 1881) was a prince of the Korean Empire and a member of the Joseon period royal family. He was a descendant of Prince Namyeon[1] and an illegitimate son of Heungseon Daewongun and his concubine Kyeseongwol. He was an older half-brother of Gojong of Korea and Prince Imperial Heung, and a half-uncle of Prince Youngsun and Emperor Sunjong of Korea. His personal name was Yi Jae-seon (이재선; 李載先). His Chinese name is unknown.
In 1881, he was implicated in a conspiracy to dethrone Gojong and his queen, and was executed.