Ma Shouzhen (Chinese: 馬守真; c. 1548–1604), also known by her courtesy name Ma Xianglan (Chinese: 馬湘蘭, meaning "Orchid of the Xiang River") and pen name Yuejiao ("Lunar Beauty"), was a Chinese courtesan and artist born in Nanjing during the late Ming dynasty (1550–1644). She was a renowned painter, poet, and composer. She received the name Xianglan because her most favored paintings were of orchids.