An Chonghui
Ren Huan (; died 927) was a general and official of the Chinese Five Dynasties and Ten Kingdoms period state Later Tang (and Later Tang's predecessor state Jin). He served as a chancellor during the reign of Later Tang's second emperor Li Siyuan, but became embroiled in a power struggle with Li Siyuan's powerful chief of staff An Chonghui. He eventually was forced into retirement, but An eventually had Li Siyuan order him to commit suicide.