Ernst August Wilhelm Steinhoff (February 11, 1908 – December 2, 1987) was a rocket scientist and member of the "von Braun rocket group", at Peenemünde (1939-1945). His younger brother Friedrich Steinhoff assisted rocket experiments while commanding U-511 in 1942. Ernst was among the scientists to surrender and travel to the United States to provide rocketry expertise via Operation Paperclip.