Stacey Fung (born February 6, 1997 in Vancouver, British Columbia, Canada) is a Canadian professional tennis player. She reached a career-high WTA singles ranking of No. 253 on May 22, 2023 and a career-high WTA doubles ranking of No. 474 on May 22, 2023.
Fung was a part of the University of Washington tennis team from 2015 to May 2019 and turned pro after. She was named an All-American during her junior year. In 2019, she reached her first professional singles final at an ITF 15K in Cancún, losing to Emilie Lindh in the final. She reached her first professional doubles final at the same tournament. In 2021, she won her first professional singles title, winning in straight sets over Yuliana Monroy at an ITF 15K in Cancún. Also in 2021, she won back-to-back ITF 15Ks doubles titles in Cancún. In 2022, Fung won three ITF 15Ks all in Cancún. The same year, she won her first ITF 25K singles title at the tournament in Fredericton, defeating Arianne Hartono in the final. In 2023, she won her second ITF 25K title, defeating Eudice Chong in the final in Santo Domingo. Also in 2023, Fung won the ITF 40K in Tbilisi over Vitalia Diatchenko. The next week, she won her first ITF 25K doubles title at the tournament in Kachreti.