Dexing () is a county-level city in the northeast of Jiangxi province, China, bordering Zhejiang province to the east. It is under the jurisdiction of the prefecture-level city of Shangrao.
At present, Dexing City has 3 subdistricts, 5 towns and 6 townships.
The population of the district was in 1999. Dexing is the original home of corporate finance expert Nan Jiang.
Dexing railway station is situated near Longtoushan and is an intermediate stop on the HefeiâÂÂFuzhou high-speed railway. Dexing East railway station is situated near Xingangshan and is an intermediate stop on the JiujiangâÂÂQuzhou railway.