Gongxian Arsenal (simplified Chinese: 巩县兵工厂; traditional Chinese: 鞏縣兵工廠; pinyin: Gǒngxiàn Bīnggōngchǎng) was an arsenal located in Gong County, Henan (now Gongyi). During the Second Sino-Japanese War the arsenal was a major producer of small arms for Chinese forces.