Yuanxing may refer to:
Chinese era Yuanxing (元興) was a Chinese era name used by several emperors of China. It may refer to:
Yuanxing (105), era name used by Emperor He of Han Yuanxing (264–265), era name used by Sun Hao, emperor of Eastern Wu Yuanxing (402–404), era name used by Emperor An of Jin
Beef cattle Yuanxing (beef cattle) (源興牛), an original Tajima strain's breed of Taiwanese beef cattle.