Chengkou County (Chinese: 城口县; pinyin: Chéngkǒu Xiàn) is a county in Chongqing municipality, China, and is the northernmost county-level division of Chongqing, bordering the provinces of Shaanxi and Sichuan to the north and west, respectively.

To the west, the county borders Wanyuan and Xuanhan County of Dazhou, Sichuan.

Local delicacies are bacon, tea, honey, and walnut oil.

[2] Chengkou County is composed of two subdistricts, ten towns, and thirteen townships.

[5] Two subdistricts (街道): Ten towns (镇): Thirteen townships (乡): This Chongqing location article is a stub.