Cao Xian (disambiguation)

Cao County (pinyin: Cáo Xiàn) is a county in Heze City, Shandong Province, China.

Cao Xian may also refer to:


 * Cao Xian (scholar) (541–645), scholar of the Chen dynasty, the Sui dynasty, and the Tang dynasty
 * Cao Xian (Cao Wei), Chinese noble woman of the aristocrat Cao family during the Three Kingdoms period