Yangxin County (simplified Chinese: 阳新县; traditional Chinese: 陽新縣; pinyin: Yángxīn Xiàn) is a county within the prefecture-level city of Huangshi in southeastern Hubei province, People's Republic of China. It occupies the southern half of the Huangshi City, bordering on Jiangxi in the south, and with Tongshan County in the west.