Jingkou District is one of three districts of Zhenjiang, Jiangsu province, China. The district has an area of 115 km2 and a population of 410,000 people. The postal code for Jingkou is 212001 and the telephone code is 0511.
Jingkou was the site of the original meeting place between the Grand Canal and the Yangtze River. It was the site of a imperial army garrison under the Qing.