Guo Hanyu (Chinese: 郭涵煜; pinyin: Guō Hányù; Mandarin pronunciation: [kwó xǎn ŷ]; born 18 May 1998) is a Chinese former tennis player. She has won two singles titles and four doubles titles on the ITF Women's Circuit, and has reached career-high WTA rankings of 278 in singles and 122 in doubles. Partnering Ye Qiuyu, Guo made her WTA Tour main-draw debut at the 2017 Tianjin Open, after defeating Dalila Jakupović and Nina Stojanović in qualifying.