Valeri Vladimirovich Popenchenko (Russian: ??????? ???????????? ??????????, 26 August 1937 – 15 February 1975) was a Soviet boxer who competed in the middleweight division (-75 kg).
During his career he won 200 out of 213 bouts; he won an Olympic gold medal in 1964 and European titles in 1963 and 1965.
He was named the Outstanding Boxer of the 1964 Olympics and given the Val Barker Trophy, becoming the only Soviet boxer to receive the honor.