Yoyo Ng Tsz Yau (Chinese: 吳芷柔; born 24 April 1998) is a Hong Kong badminton player. She started playing badminton at aged 5, and in 2013, she competed in the women's doubles event with . In 2017, she reach the mixed doubles semi final round at the Malaysia Masters, and in November 2017, she and Yeung won the senior tournament at the Tata Open India International tournament.