Yi Hae-won
| Yi Hae-won | |
|---|---|
| Yi upon her marriage in 1936 | |
| Head of the House of Yi (disputed) | |
| Period | 16 July 2005 – 8 February 2020 | 
| Coronation | 16 July 2005 | 
| Predecessor | Crown Prince Yi Gu | 
| Successor | None | 
| Born | 24 April 1919 Sadong Palace, Keijō, Korea, Empire of Japan | 
| Died | 8 February 2020 (aged 100) Hanam, South Korea | 
| Spouse | Yi Seung-gyu | 
| Issue | 
 | 
| House | Jeonju Yi (by birth) Yongin Yi (by marriage) | 
| Father | Prince Yi Kang of Korea | 
| Mother | Yi Hui-chun, Lady Yi of Sudeok Hall (biological) Kim Su-deok, Lady Kim of Deokin Hall (adoptive) | 
| Korean Imperial name | |
| Hangul | 이진 | 
|---|---|
| Hanja | 李珍 | 
| RR | I Jin | 
| MR | I Chin | 
| Registered Name | |
| Hangul | 이해원 | 
| Hanja | 李海瑗 | 
| RR | I Haewon | 
| MR | I Haewŏn | 
| Childhood name | |
| Hangul | 이길운 or 이원 | 
| Hanja | 李吉雲 or 李瑗 | 
| RR | I Gilun or I Won | 
| MR | I Kirun or I Wŏn | 
Yi Hae-won (Korean: 이해원; Hanja: 李海瑗; 24 April 1919 – 8 February 2020), also Lee Hae-won, was a member of the House of Yi, the royal family of Joseon and the Korean Empire. Yi was considered a pretender to the throne until her death at the age of 100 in her house in Hanam, Gyeonggi Province.