Duke Huan of Wey (Chinese: 衛桓公; pinyin: Wèi Huán Gōng, died 719 BC), personal name Ji Wan (姬完), was the 13th ruler of the state of Wey during the Spring and Autumn period of Chinese history.
Prince Wan was born to Duke Zhuang I of Wey and his concubine Dai Gui [zh].
In 733 BC, Duke Huan dismissed his younger brother Zhouyu of all his posts on account of his arrogance and extravagance.
In the same year, Gongshu Duan, younger brother of Duke Zhuang of Zheng, rebelled against him, but he was defeated and forced into exile.
In 719 BC, Zhouyu gathered his fellow Wey exiles and murdered Duke Huan.