Yoyo Ng Tsz Yau 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 Yeung Nga Ting. In 2017, she reached 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.