Yun Im (Korean: 윤임; Hanja: 尹任; 26 July 1487 – 30 August 1545) was a politician, general, and soldier of the Korean Joseon Dynasty. He was from the aristocratic family of the Papyeong Yun clan (파평 윤씨; 波平 尹氏), and related to the Royal Jeonju Yi clan through his mother. He was the older brother of Queen Janggyeong, the second wife of King Jungjong of Joseon, and the uncle of King Injong of Joseon.[1] He was also the nephew of Park Won-jong, and was titled as Prince Paeun.(파은군; 波恩君)[clarification needed] He was also known as part of DaeYun (Great Yun, 尹任, 윤임) versus SoYun (small Yun, 小尹, 윤사윤) close relatives of the DaeYun (allied closely by marriage to Queen Munjeong.[2]
He was executed in the Eulsa Sahwa of 1545 during the conflict of the Daeyun and SoYun factions.[2] (See also Yangjae Station Graffiti Incident of 1547)