Oleg Sergeevich Stepanov (Russian: Олег Серге́евич Степанов, 10 December 1939 – 27 February 2010) was a judoka and sambo competitor.

Domestically he was mostly known for sambo, which was a very popular sport in the Soviet Union, albeit with a limited international recognition.

The first Soviet judo team was formed in 1962 from the best sambo competitors, including Stepanov, and in 1963 it showed its strength in Europe and Japan.

[3] Later Stepanov won bronze medals at the 1964 Olympics and 1965 World Championships, as well as European titles in 1965 and 1966.

[1] After retiring from competitions Stepanov coached sambo and judo at the Moscow Armed Forces Sports Club, for which he competed previously.