Yi Qi or Yiqi may refer to:
- Yiqi (伊祁; Yīqí), the ancestral name of Emperor Yao, a legendary Chinese ruler
- Yi (dinosaur), a monotypic genus whose sole species is Yi qi
- Yiqi, Anhui, town in Huangshan, Anhui, China
- FAW Group Corporation, Chinese automobile manufacturer, also known in Chinese as Yi Qi (一汽; Yī Qì)