Dongxiaokou is a town in southern Changping District, Beijing, China. It lies in the northern part of the municipality, within the district that stretches north from the city's urban core.
The town is bordered by Shahe and Beiqijia Towns to the north, Tiantongyuanbei and Tiantongyuannan Subdistricts to the east, Dongsheng Town and Huoying Subdistrict to the west, and Shigezhuang Subdistrict to the northwest. As of 2020, its population was 85,874.