Location of the seat in Henan
|Country||People's Republic of China|
|• Total||1,554 km2 (600 sq mi)|
|• Density||190/km2 (480/sq mi)|
|Time zone||UTC+8 (China Standard)|
Xin County or Xinxian (simplified Chinese: 新县; traditional Chinese: 新縣; pinyin: Xīn Xiàn) is a county in the southeast of Henan province, China, bordering Hubei province to the south. It is under the administration of the prefecture-level city of Xinyang. 
As 2012, this county is divided to 5 towns and 10 townships.