King Yuan of Zhou, (Chinese: 周元王; pinyin: zhōu yúan wáng; Wade–Giles: King Yüan of Chou) was the twenty-seventh sovereign of the Chinese Zhou Dynasty and the fifteenth of Eastern Zhou Dynasty.
| Family name | Ji (姬 jī) in Chinese |
| Given name | Ren (仁 rén) in Chinese |
| Era name | none |
| Father | King Jing of Zhou (Ji Gai) |
| Mother | unknown |
| Wife | unknown |
| Children | King Zhending of Zhou |
| Duration of reign | 475 BC – 469 BC |
| Tomb | unknown |
| Temple name | unknown |
| Courtesy name | unknown |
| Posthumous name | 元 (pinyin: yúan), literary meaning: "primary", "original" or "chief" |
| Preceded by King Jing of Zhou (Ji Gai) |
Zhou Dynasty | Succeeded by King Zhending of Zhou |