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.
Partnering Jang Su-jeong, she reached the final at the 2022 WTA 125 Argentina Open, losing to Sara Errani and Irina Bara.
Playing with Kyōka Okamura, You was runner-up in the doubles at the 2023 WTA 125 Copa Oster, losing to Weronika Falkowska and Katarzyna Kawa in the final which went to a deciding champions tiebreak.
She qualified for the singles main draw at the 2023 Jiangxi Open, where she defeated sixth seed Anna Blinkova, before losing to Leylah Fernandez in the second round.