Han Xinyun (Chinese: ???; pinyin: Hán Xinyùn; Mandarin pronunciation: [xan ?Ãn yn]; born 30 May 1990), also known as Monica Han, is a Chinese professional tennis player.
Han has won three doubles titles on the WTA Tour, as well as eight singles and 25 doubles titles on the ITF Women's Circuit.
On 24 October 2016, she reached her best singles ranking of world No.
105.
On 29 July 2019, she peaked at No.
50 in the WTA doubles rankings.
Playing for China at the Fed Cup, Han has a win/loss record of 2–1.