Location of the seat in Henan
|Country||People's Republic of China|
|• Total||2,789 km2 (1,077 sq mi)|
|• Density||240/km2 (630/sq mi)|
|Time zone||UTC+8 (China Standard)|
Biyang County (simplified Chinese: 泌阳县; traditional Chinese: 泌陽縣; pinyin: Bìyáng Xiàn) is a county of Zhumadian city in southern Henan province, People's Republic of China. It borders Queshan to the east, Tongbai to the north, Tanghe to the west, Luohe to the north, Sheqi and Nanyang to the northwest. Population was 950,000 in 2002. Area is 2,682 km2 (1,036 sq mi).
The county has 7 towns, 18 townships and 401 villages.