Mia Ristić (born 17 May 2006) is a Serbian tennis player. A right-handed player, she has a career-high ranking of 374, achieved in August 2023.
From Bor, Serbia, Ristić won the U16 European Championship in Přerov, Czech Republic in July 2022, without dropping a set. In the final, she defeated Spaniard Marta Soriano Santiago, for the loss of only two games, a scoreline which she achieved four times during the competition.
Ristić won her first professional tournament aged 16 years old in August 2022, defeating Cristina Dinu in the final of the $25k event in Vrnjačka Banja, Serbia.
In July 2023, Ristić qualified for her WTA Tour main-draw debut at the 2023 Palermo Ladies Open. She defeated Çağla Büyükakçay and Kathinka von Deichmann to qualify, winning both matches in three sets despite facing match points. She needed four hours and 12 minutes to beat Büyükakçay, the longest match in the tournament's history.
In the following month, in August 2023, at the age of 17 years and three months, Ristić won her second professional tournament at W60 Prerov, Czech Republic, thus becoming the youngest Serbian woman to win an ITF World Tennis Tour title at W60 level. She beat the tournament's No. 1 seed Veronika Erjavec in the second round and fellow qualifier Aurora Zantedeschi in the final.