Jiuzhaigou, or Jiuzhaigou Valley Scenic and Historic Interest Area, is a nature reserve and national park in northwestern Sichuan, China.
Jiuzhaigou may also refer to:
Jiuzhaigou County, containing the nature reserve Jiuzhaigou Town, former name of Zhangzha Town, a town in Jiuzhaigou County, Sichuan, China Jiuzhai Huanglong Airport, occasionally Jiuzhaigou [Huanglong] Airport