Sergey Smirnov may refer to:Sergei Smirnov, Russian KGB/FSB official Sergei Smirnov (footballer), Russian footballer Sergey Smirnov (geologist) (1895–1947), Russian geologist Sergey Smirnov (writer) (1915–1976), Russian writer Sergey Smirnov (artist) (1953–2006), Russian artist Sergey Smirnov, Soviet shot putter Sergei Smirnov, Russian former pair skater Sergey Smirnov (rower), Soviet Olympic rower Sergey Smirnov (journalist), Russian journalist, editor-in-chief, Mediazona Sergei Smirnov, a fictional character in the anime series, Mobile Suit Gundam 00