Decheng (德城区) is a district of the Chinese province of Shandong. It is administered by the subprovincial town of Dezhou.
It has an area of 539 km² and around 570,000 inhabitants (2003).
Coordinates: 37°27′N 116°18′E / 37.450°N 116.300°E / 37.450; 116.300