Wujin District (; postal: Wutsin) is a district under the jurisdiction of Changzhou in Jiangsu province of the People's Republic of China. In 2005, Wujin was ranked as 8th in the top 100 best counties in Mainland China.
In 2020 the total population was recorded at 1.7 million people, an increase from the 1.2m inhabitants recorded in 1999. In 2005 Wujin was ranked as 8th in the top 100 best cities and counties in mainland China. On May 7, 2015, Qishuyan District became a part of Wujin District.
At present, Wujin District has 5 subdistricts and 14 towns.
-Former Qishuyan District has 3 subdistricts.
The local language is the Changzhou dialect of Wu Chinese.
The district is most famous for the Chunqiu Yancheng, the remains of an ancient city from the Spring and Autumn period.
The Wycombe Abbey International School of Changzhou (formerly Oxford International College of Changzhou) is located in Wujin District, serving Chinese and foreign students for kindergarten through high school. Wujin Star Experimental school is a private school also in the district.