Emperor Xian can refer to:

Emperor Xian of Han (汉獻帝, 181–234), personal name Liu Xie Yongzheng Emperor (1678–1735), posthumous name Emperor Xian (憲皇帝) Xianfeng Emperor (1831–1861), posthumous name Emperor Xian (顯皇帝)

See also Marquis Xian of Jin (Western Zhou)