Yongfeng County (simplified Chinese: 永丰县; traditional Chinese: 永豐縣; pinyin: Yǒngfēng Xiàn) is a county of central Jiangxi province, People's Republic of China.

It is under the jurisdiction of the prefecture-level city of Ji'an.

As of 2016, Yongfeng County was made up of 8 towns, 13 townships, and 3 other areas.

[1] The population of the district was 394,356 in 1999.

[2] This Jiangxi location article is a stub.