Cătălina Ponor (Romanian pronunciation: [kətəˈlina poˈnor]; born 20 August 1987) is an artistic gymnast who represented Romania at the 2004, 2012, and 2016 Summer Olympics. She won three gold medals at the 2004 Olympics: on balance beam, on floor, and as part of the Romanian team. She also earned a silver medal on floor and a bronze medal as part of the Romanian team at the 2012 Olympics, as well as multiple World Championship and European Championship medals.

Ponor was born in Constanța and started gymnastics when she was four years old. In 2002, she was discovered training in Constanţa by the Romanian national team coaches, Octavian Bellu and Mariana Bitang, who invited her to join the national team.

Ponor made her international debut at the 2003 World Artistic Gymnastics Championships in Anaheim, California, where the Romanian team finished in second place. Individually, she won silver medals on balance beam, scoring 9.587, and floor, scoring 9.700. In November, she competed at the Artistic Gymnastics World Cup event in Stuttgart, Germany, where she placed first on balance beam (9.587) and third on floor (9.237).

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