Li Yu-yun (Chinese: 李羽芸; born 31 May 2004) is a Taiwanese tennis player who specialises in doubles.

[2] Partnering Haley Giavara, she won her first W50 tournament in May 2024 at the Kunming Open in China.

In the doubles final of the J1 College Park tournament in August 2022, she and her Japanese partner Sara Saito defeated Anastasiia Gureva from Russia and Carolina Kuhl from Germany, 6–4, 6–2.

[4] The season's latest Grade A event in October, the Osaka Mayor's Cup, concluded on Sunday partnering with Sara Saito as girls’ doubles champions, respectively.

In June 2023, she won the title with her Belgian partner Sofia Costoulas in the Tainan tournament held in her home country.