Nanchang County (Chinese: 南昌县; pinyin: Nánchāng Xiàn) is a county of Jiangxi Province, China.

It is under the administration of the prefecture-level city of Nanchang, the provincial capital.

The population in 1999 was 986,031.

[1] Nanchang County has 11 towns and 7 townships.

[2]