Doo Hoi Kem (; born 27 November 1996) is a Hong Kong table tennis player. She won two medals at the 2014 Summer Youth Olympics and she was a member of Hong Kong women's team at the 2014 World Team Championships. In 2015, she won a bronze medal in mixed doubles event with Wong Chun Ting at the World Championships. In 2021, she also won bronze in the women's team event with Lee Ho Ching and Minnie Soo Wai Yam at the 2020 Summer Olympics.