Prince Eunjeon (hangul:은전군, hanja:恩全君, August 14, 1759 - August 26, 1778) was a royal family member of the Joseon dynasty in Korea. His real name is Yi Chan (hangul:이찬, hanja:李禶).
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.