Zi Wei may refer to:
Zi Wei (crater), on the Moon Ziwei enclosure, or the Purple Forbidden enclosure, a constellation in Chinese astronomy Ziwei Emperor, or Great Emperor of the North Star, a sky deity of Taoism
See also Ziwe (disambiguation) Ziwei Bridge, a historic stone arch bridge over the Cangji River in Zhejiang, China Ziwei doushu or Zi Wei Dou Shu, a form of fortune-telling in Chinese culture Ziwiyeh Castle, in Saqqez, Iran