Sergey Malchenko (Russian: ?????? ?????????; born 2 November 1963) is a Russian former track and field athlete who competed in the high jump.
His personal best mark of 2.38 m (7 ft 9 1/2 in) ranks him among the top twenty high jumpers of all-time and at his peak his was the sixth best ever in the event.He represented the Soviet Union three times in major international competition: he was the silver medallist at the European Athletics Championships in 1986, and a finalist at the 1987 World Championships in Athletics and 1989 European Athletics Indoor Championships.
His son, Eduard Malchenko, is also a professional high jumper, who has a best of 2.30 m (7 ft 6 1/2 in).