Tee Kai Wun (Chinese: 鄭凱文; Pe̍h-ōe-jī: Tīⁿ Khái-bûn; born on 17 April 2000) is a Malaysian badminton player. He helped Malaysia win a silver medal in the 2017 BWF World Junior Championships mixed team event. In 2021, he won three titles (two in men's together with Man Wei Chong and one in mixed doubles together with Teoh Mei Xing) in the Polish Open and Spanish International.