Gu Gai (Chinese: 顾改, born 16 May 1989) is a former Chinese para table tennis player who was a triple Paralympic champion in team events, a double World champion in teams events and a four-time Asian champion in both team events. Gu won team event titles along with Zhang Bian and Zhou Ying. Like many of her teammates, Gu was a polio victim from Pizhou who attended as a child. That's where coach developed her into a star.