Prince Eunjeon

Prince Eunjeon (; 14 August 1759 - 26 August 1778) was a royal family member of the Joseon dynasty in Korea. His real name is Yi Chan ().
He is an illegitimate son of Crown Prince Sado. His mother is Lady Park Bing-ae, a concubine of Crown Prince Sado. In January 1761, his father killed his mother with a knife, caused by insanity.
He was executed at 26 of August in 1778 because of treason.