Cătălina Ponor is a Romanian former artistic gymnast who competed at three Olympiads: 2004, 2012, and 2016. She won three gold medals at the 2004 Summer Olympics in Athens on balance beam, floor and as part of the Romanian team. She also earned a silver medal on floor and bronze medal as part of the Romanian team at the 2012 Summer Olympics in London, as well as multiple World Championship and European Championship medals. She announced her plans to retire from gymnastics after the 2017 Artistic Gymnastics World Championships, in Montreal. During her career, she won 23 Olympic, World and European medals. More than half of them (12) were gold medals. She was inducted into the International Gymnastics Hall of Fame in 2022.

Artistic gymnastics is a discipline of gymnastics in which athletes perform short routines on different apparatuses. The sport is governed by the Fédération Internationale de Gymnastique (FIG), which assigns the Code of Points used to score performances and regulates all aspects of elite international competition. Within individual countries, gymnastics is regulated by national federations such as British Gymnastics and USA Gymnastics. Artistic gymnastics is a popular spectator sport at many competitions, including the Summer Olympic Games.