Quan Xin (Chinese: 全鑫; pinyin: Quán Xīn; born November 24, 1996) is a Chinese slalom canoeist who has competed at the international level since 2015. He won a gold medal in the K1 event at the 2018 Asian Games and a silver in the same event at the 2016 Asian Championships. Quan participated at the delayed 2020 Summer Olympics in Tokyo, where he finished 17th in the K1 event after being eliminated in the semifinal.