Yiyang (弋阳县; pinyin: Yìyáng Xiàn) is a county in the prefecture of Shangrao in the Province of Jiangxi in The People's Republic of China. In 1999 it had a population of 359,164 inhabitants.
Coordinates: 28°24′10″N 117°25′52″E / 28.4028°N 117.431°E