Fenyi County (Chinese: 分宜县; pinyin: Fēnyí Xiàn) is a county in the northwest of Jiangxi province, the People's Republic of China.

It is under the administration of the prefecture-level city of Xinyu.

In the present,Fenyi County has 6 towns and 4 townships.

[1] Fenyi Country has a humid subtropical climate with abundant rainfall and sunshine, and a long frost-free period.

It has an average yearly temperature of 17.2 degrees, average annual rainfall of 1,600 mm (63 in), and a frost-free period of 270 days.