Yang Ya-yi

Yang Ya-yi (born 30 May 2004) is a Taiwanese tennis player.

She has a career-high junior singles ranking by the International Tennis Federation (ITF) of 4, achieved on 26 December 2022. Her career high by the Women's Tennis Association (WTA) is 203, achieved on 16 October 2023. On 18 September 2023, she peaked at No. 289 in the WTA doubles rankings.

Yang, who started playing tennis when she was three years old, represents the colours of Chinese Taipei in the Billie Jean King Cup.

Junior Grand Slam performance
- Singles:
 * Australian Open: 2R (2020)
 * French Open: –
 * Wimbledon: –
 * US Open: 1R (2021)

- Doubles:
 * Australian Open: 2R (2020)
 * French Open: –
 * Wimbledon: –
 * US Open: 1R (2021)