Cao Huan, ch 曹奐, py. cáo hùan, wg. Ts'ao-Huan (between 245 and 247-303) was a grandson of Cao Pi and last emperor of the Kingdom of Wei. He is also known as the Emperor Yuan of Wei, ch. 魏元帝, py. wèi yúan dì, wg. Wei Yüan-ti.
He abdicated in favor of Sima Yan, then Emperor Wu of Jin Dynasty, in 265 and was entitled Chenliu wang ("King of Chenliu").
| Family name | Cao (曹 py. cáo) in Chinese |
| Given name | Huan (奐 py. hùan) |
| Era name | Jingyuan (景元 jĭng yúan) 260-264 Xianxi (咸熙 xían xī) 264-265 |
| Father | Cao Yu, Yan wang ("King of Yan") |
| Mother | |
| Wife | |
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| Children | |
| Duration of reign | 260 to 265 |
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| Courtesy name | ch.景明, py. jĭng míng, wg. jing-ming, literary meaning: "admirable and brillant" |
| Posthumous name | 元 (py. yúan), literary meaning: "original" |
| Preceded by: Cao Mao |
Kingdom of Wei | Succeeded by: --- |