Ning Zetao (Chinese: 宁泽涛; pinyin: Nìng Zétāo or Níng Zétāo; Mandarin pronunciation: or ; born 6 March 1993) is a Chinese competitive swimmer. Specializing in the freestyle, he won a gold medal in the 100 metre freestyle at the 2015 World Championships. At the 2014 Asian Games, he won gold medals in the 50 metre freestyle, 4 × 100 metre medley relay, 4 × 100 metre freestyle relay, and 100 metre freestyle, breaking the Asian records in the latter two events. Ning also swam for China at the 2016 Summer Olympics.
On March 6th 2019, Ning announced his retirement from competitive swimming through his Weibo account, on his 26th birthday.
Ning Zetao was born in Zhengzhou, the capital city of Henan. He is the only child of Ning Feng (宁锋) and Liu Wenhong (刘文红).Ning's father, Ning Feng, served four years in the air force reserve prior to working for a state broadcasting company. His mother, Liu Wenhong, served in the Chinese People's Armed Police Force. Both of his grandfathers also served in the Chinese military.