Sun Ziyue (Chinese: 孙子玥; pinyin: Sūn Ziyuè; Mandarin pronunciation: [swə́n tsɹ̩̀ ɥê]; born 6 July 1996 in Nanjing) is a Chinese former professional tennis player.

In her career, Sun won two doubles titles on the ITF Circuit.

At the 2013 Asian Youth Games, Sun won both the girls' singles and mixed-doubles titles.

[1] Partnering Xu Shilin, Sun won her first $50k title at the ITF event in Sanya, defeating Yang Zhaoxuan and Zhao Yijing in the 2013 final.

This biographical article relating to Chinese tennis is a stub.