德南（法语：Denain）是法国北部-加来海峡大区诺尔省的一个市镇，属于瓦朗谢讷区德南县。该市镇2009年时的人口为20157人。

德南人口变化图示

数据来源：INSEE

Denain is a commune in the Nord department in northern France. In 1999 Denain had a population of 20,360, on a land area of 11.52 km² (4.448 sq mi).

It is the largest of 39 communes which comprise the association of communes of Porte du Hainaut, which in 1999 had a total population of 147,989.