Chao Na (born March 13, 1980) is a Chinese swimmer. She is a former World Champion and Olympic silver medalist. She was born in Beijing.
In 1995, Chao Na was selected for the 2nd FINA World Short Course Championships in Rio de Janeiro. She won a silver medal in the 100-metre freestyle and became world champion in the 4 x 100-metre freestyle relay. Two years later, at the 3rd FINA World Short Course Championships in Gothenburg, Chao Na again became world champion in the 4 x 100-metre freestyle relay. The winning Chinese relay team set a new world record, finishing at 3.34,55 minutes. The record remained unbeaten until 2006.