Cheng Xiao
- Birthday: 7/15/1998
- Place of birth: Shenzhen，Guangdong Province，China
- Fame for: Acting
- Also known as: 程瀟, 程潇, 성소, SUNG So, 우주소녀, WJSN, Xiao Cheng, ソンソ
Biography
Xiao Cheng (traditional chinese: 程瀟, simplified chinese: 程潇, pinyin: Chéng Xiāo) is a Chinese singer currently active in South Korea and China. She is a member of Yuehua Entertainment and STARSHIP Entertainment's girl group Cosmic Girls (우주소녀/宇宙少女).
