Shuangjiangkou (Chinese: 双江口镇) is a rural town in Ningxiang City, Hunan Province, China. It is surrounded by Chengjiao Subdistrict and Jinghuapu Township on the west, Jinzhou Town and Lijingpu Subdistrict on the southeast, Zhuliangqiao Township, Gaotangling Subdistrict and Jinggang Town of Wangcheng District on the northeast, and on the northwest. As of the 2000 census it had a population of 82,000 and an area of 155 square kilometres (60 sq mi).