Zhangye National Geopark (simplified Chinese: 张掖国家地质公园; traditional Chinese: 張掖國家地質公園; pinyin: Zhāngyè Guójiā Dìzhìgōngyuán) is located in Sunan and Linze counties within the prefecture-level city of Zhangye, in Gansu, China. It covers an area of 322 square kilometres (124 sq mi). The site became a quasi-national geopark on 23 April 2012 (provisional name: Zhangye Danxia Geopark). It was formally designated as "Zhangye National Geopark" by the Ministry of Land and Resources on 16 June 2016, after it passed the on-site acceptance test.

Known for its colorful rock formations, it has been voted by Chinese media outlets as one of the most beautiful landforms in China. It became a UNESCO Global Geopark in 2019.

The park is located in the northern foothills of the Qilian Mountains, in the counties of Linze and Sunan, which are under the administration of the prefecture-level city of Zhangye, Gansu province. The main areas of Danxia landform are in Kangle and Baiyin townships.