In 2015 Season, Rizatdinova's first competition was at the 2015 L.A. Lights where she won the all-around gold ahead of Belarusians Melitina Staniouta and Katsiaryna Halkina. She then swept the gold medals at the 2015 Valentine Cup in the all-around and all event finals. On March 13–15, Rizatdinova then took the silver medal at the Trophy de Barcelona in the all-around. On March 21–22, Rizatdinova won the all-around gold at the 2015 Thiais Grand Prix, in event finals, she took gold in hoop, ribbon, clubs (tied with Marina Durunda) and silver in ball. On April 10–12, Rizatdinova placed 4th in all-around at the 2015 Pesaro World Cup, she qualified to 4 event finals taking silver in ribbon, bronze in clubs and finishing 4th in hoop, ball. Rizatdinova with teammates (Viktoria Mazur, Eleonora Romanova) competed at the 2015 European Championships where Team Ukraine won bronze, Rizatdinova qualified to all 4 event finals: silver in clubs, 5th in hoop, 4th in ball, and 7th in ribbon. Rizatdinova competed at the 2015 Holon Grand Prix finishing 4th in all-around behind Russian Aleksandra Soldatova. She qualified to all apparatus finals: winning gold in ribbon, silver in clubs, placed 4th in hoop, and 7th in ball. On June 15–21, Rizatdinova competed at the inaugural 2015 European Games where she finished 4th in the all-around behind Belarusian Melitina Staniouta, she qualified to all 4 apparatus finals: taking silver medals (in ball, clubs), she finished 6th in hoop and 5th in ribbon. Her next competition was at the 2015 Summer Universiade in Gwangju, Korea were Rizatdinova won the all-around silver medal behind Korean Son Yeon-Jae. She qualified to all event apparatus winning gold in clubs, silver in ball, bronze in ribbon and 4th in hoop. In August, Rizatdinova competed at the 2015 Budapest World Cup finishing 5th in all-around behind Aleksandra Soldatova, Rizatdinova qualified to 4 apparatus finals finishing 4th in hoop, ball, a silver in clubs and in her last event, she won gold in ribbon ahead of Russian Margarita Mamun. In her next competition at the 2015 Sofia World Cup, Rizatdinova won the all-around bronze medal ahead of Melitina Staniouta. She qualified to all apparatus finals taking bronze in hoop, ball, clubs and ribbon. On September 9–13, Rizatdinova (together with teammates Viktoria Mazur, and Eleonora Romanova) competed at the 2015 World Championships in Stuttgart, with Team Ukraine winning the bronze medal. Rizatdinova also qualified to all apparatus finals taking bronze medals in hoop, clubs, ribbon and finished 4th in ball. In the all-around finals; Rizatdinova dropped her clubs out of the carpet in her last throw ending her hopes for a medal finish, she eventually finished 5th behind Georgia's Salome Pazhava. On October 2–4, Rizatdinova together with teammates Viktoria Mazur and junior Olena Diachenko represented Team Deriugins School at the 2015 Aeon Cup in Tokyo Japan, Rizatdinova won silver in the individual all-around finals with a total of 73.616 and with team Ukraine taking silver in the overall standings.