You Xiaodi (Chinese: 尤晓迪; pinyin: Yóu Xiǎodí; Mandarin pronunciation: [jǒʊ ɕjàʊ tǐ]; born 12 May 1996) is a Chinese tennis player. She has won one WTA Challenger doubles title, as well as six singles and 17 doubles titles on the ITF Circuit. On 16 March 2020, she reached her best singles ranking of world No. 166. On 12 September 2016, she peaked at No. 102 in the doubles rankings. You made her WTA Tour debut at the 2014 Shenzhen Open, partnering Liu Fangzhou in doubles. The pair lost their first-round match against Monica Niculescu and Klára Zakopalová, who went on to win the tournament.