Jiangkou is a county in China, located in the northeast of Guizhou Province. It falls under the jurisdiction of Tongren, a prefecture-level city.
The county government of Jiangkou is seated in Shuangjiang. The name "Jiangkou" is shared by several places in China, including a town in Hunan Province, but the Jiangkou described here is the county-level administrative division in Guizhou.