Kaiyuan is a word from Chinese phonetic alphabet (pinyin) with multiple meaning due to different forms of Chinese characters. It may refer to:
Places Kaiyuan, Liaoning (开原), a county-level city in Liaoning, China Kaiyuan, Yunnan (开远), a county-level city in Yunnan Kaiyuan Subdistrict, Xiamen (开元街道), a subdistrict in Siming District, Xiamen, Fujian Kaiyuan District (开元区), former district in Xiamen, Fujian Kaiyuan, Shulan (开原镇), town in Shulan, Jilin Kaiyuan, Dingzhou (开元|镇), in Dingzhou
Other uses Kaiyuan era (713-741), early in the reign of Emperor Xuanzong of the Tang Dynasty Kaiyuan Za Bao, the Tang Dynasty's official publication during the Kaiyuan era Kaiyuan coin, a standard coin of the Tang Dynasty Kaiyuan Temple (disambiguation) (开元寺), the name of various Chinese temples