The Yangtze giant softshell turtle (Rafetus swinhoei), also commonly known as the Red River giant softshell turtle, the Shanghai softshell turtle, the speckled softshell turtle, and Swinhoe's softshell turtle, is a critically endangered species of turtle in the family Trionychidae. It is regarded as one of the largest living freshwater turtle species. Native to eastern and southern China and northern Vietnam, the species has a known population of only two or three individuals, and the absence of fertile females has rendered it functionally extinct.