De'an (Chinese: 德安; pinyin: Dé'ān) is a county under the jurisdiction of the prefecture-level city of Jiujiang in the north of Jiangxi Province, China.

Its total area is 939.40 km2 (362.70 sq mi), and the population is 166,000 as of 2010.

[1] This county is known for the residence of the parents of film director Ang Lee as well as fashion designer, model, and actress Lü Yan.

De'an County is divided to 4 towns and 9 townships.

This Jiangxi location article is a stub.