Zhuanghe (simplified Chinese: 庄河; traditional Chinese: 莊河; pinyin: Zhuānghé) is one of the two "northern county-level cities", the other being Wafangdian, under the administration of Dalian, located in the south of Liaoning province, People's Republic of China.

Its area is 3,655.70 square kilometres (1,411.47 sq mi) and its permanent population as of 2020[update] is 742,496, making it Dalian's most spacious county-level division.

Due to the location on the Liaodong Peninsula, there is a seasonal delay in spring and summer, and extremes in heat are moderated; however, low temperatures peak in July.

A base of the national commodity grain, Zhuanghe has very abundant agricultural and natural resources.

The Huayuankou Industrial Zone in the westernmost part of Zhuanghe City is one of "Five Points, One Line" projects of the province.