Guan Hanqing (traditional Chinese: 關漢卿; simplified Chinese: 关汉卿; c. 1241–1320), art names Yizhai (已齋 or 一齋) and Yizhaisou (已齋叟), was a Chinese dramatist, playwright, and poet of the Yuan dynasty. He has been described as among the most prolific and highly regarded dramatists of the Yuan period