Zhongmu County (; postal: Chungmow) is a county of Henan Province, South Central China, it is under the administration of the prefecture-level city of Zhengzhou, the capital of Henan. It has an area of and a population of 680,000. Located in the north-central part of the province, it is the easternmost county-level division of Zhengzhou.
The Battle of Guandu took place in 200 CE in the northeast of Zhongmu County.
In November 2004, martial law was declared in Zhongmou County, to quell deadly ethnic clashes between Han and Hui. The reported number of deaths ranged between 7 and 148.
, this county is further divided to 2 subdistricts, 15 towns and 1 township.