Sun Xuliu (Chinese: 孙旭柳; pinyin: Sūn Xùliǔ; Mandarin pronunciation: [swə́n ɕŷ ljòʊ]; born 7 March 1994) is an inactive Chinese tennis player. On 14 May 2018, she achieved her career-high singles ranking of world No. 384. On 1 May 2017, she peaked at No. 268 in the doubles rankings. Sun made her WTA Tour main-draw debut in the doubles draw of the 2017 Jiangxi International Open, partnering Zheng Wushuang.