Yisa Yu, also known as Yu Kewei (Chinese: 郁可唯; pinyin: Yù Kěwéi) and by her birth name Yu Yingxia (Chinese: 郁英霞), (born 23 October 1983) is a Chinese singer. She started out singing in bars and participated in several singing competitions. Her career took off after she achieved fourth place nationally in the 2009 season of Hunan TV's Super Girl. Her fans are called Yu jin xiang (郁金香), which means "tulip"; personally named by Yisa.