Sima Jiong (司馬冏) (died 302), courtesy name Jingzhi (景治), formally Prince Wumin of Qi (齊武閔王), was an Jin Dynasty (265-420) imperial prince who briefly served as Emperor Hui's regent after overthrowing the usurper Sima Lun in 301. He was the fourth of the eight princes commonly associated with the War of the Eight Princes.
Read more about Sima Jiong: Early Career, Role in Overthrowing Sima Lun, As Regent