Yuanshi is the pinyin romanization of various Chinese names.
It may refer to:
The Yuanshi Era () during the rule of the Ping Emperor of the Han Dynasty in Chinese history Yuanshi County (), Hebei, China Yuanshi (), the Chinese name of the History of Yuan, the earlier of the two official Chinese histories of the Yuan Dynasty
See also Yuanshi Tianzun (), one of the highest deities of religious Taoism