During qualifications at the 2019 World Championships Iorio helped Italy qualify to the team final in eighth place; as a result Italy also qualified to the 2020 Olympic Games in Tokyo. Individually she qualified to the all-around final in 18th place. In the team final, Iorio helped Italy win the bronze medal – Italy's first team medal since the 1950 World Artistic Gymnastics Championships. They ended up finishing behind the United States and Russia but ahead of China, who originally qualified to the final in second place. During the all-around final Iorio competed on three events before she hurt her ankle on vault and withdrew from the competition.