Oleg Smirnov may refer to:

• Oleg Aleksandrovich Smirnov (b. 1964), Soviet and Russian footballer with FC Spartak Moscow, FC Rotor Volgograd and FC Shinnik Yaroslavl
• Oleg Igorevich Smirnov (b. 1967), Transnistrian politician
• Oleg Smirnov (ice hockey) (b. 1980), Russian ice hockey player drafted by Edmonton Oilers in 1998
• Oleg Smirnov (Paralympic footballer), Russian footballer who competed in the 2004 and 2008 Paralympics, see Football 7-a-side at the 2008 Summer Paralympics
• Oleg Valeryevich Smirnov (b. 1990), Russian footballer, goalkeeper

• Smirnov (surname)
• Smirnoff (surname)