Ye County or Yexian (Chinese: 叶县; pinyin: Yè Xiàn) is a county in Pingdingshan, Henan province, China, with a population of 820,000. The ancient town of Kunyang was located in Ye County. It was the site of the critical Battle of Kunyang, in which the Han forces decisively defeated the army of Wang Mang's Xin Dynasty.