Alison Bai (born 18 January 1990) is a professional Australian tennis player. Her highest WTA singles ranking is No. 305, which she reached on 2 November 2015. Her career-high in doubles is No. 125, set on 20 January 2020. On the ITF Circuit, Bai won her first singles title in 2015 at the $15k event on grass in Mildura having reached the final the previous year. In 2018, she reached the final of the $25k event in Changsha, China, defeating top seed Zhu Lin in the second round.