Oleg Yaroslavovich Antonov (Russian: Олег Ярославович Антонов; born 28 July 1988) is a Russian-born Italian volleyball player, a member of the Italian club Grottazzolina Volley; silver medalist of the 2015 World Cup, bronze medalist of the 2015 European Championship with Italy men's national volleyball team.

Antonov is the son of Yaroslav Antonov, a Russian former volleyball player who was a 1988 Summer Olympics silver medalist for the Soviet Union.

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