Wang Jun (252–314), courtesy name Pengzu, was a military general and warlord who lived during the Western Jin dynasty of China. By the time of Sima Lun's usurpation of the Jin throne he was established as a military commander in You Province. Although he became a target of Sima Ying as the War of the Eight Princes unfolded, he survived the chaos, ultimately supporting Sima Yue's faction. At the time of the Disaster of Yongjia which saw the collapse of Jin control in northern China, he was one of Jin's few remaining provincial powers in the north. However among claims of imperial ambitions and corruption, he clashed not only with northern tribal powers but also his Jin Dynasty rival Liu Kun the Inspector of Bingzhou, before his final defeat and death at the hands of Shi Le, who had previous