Sergey Smirnov
Sergey Smirnov may refer to:
- Sergei Smirnov (intelligence officer), Russian KGB/FSB official
- Sergei Smirnov (footballer), Russian footballer
- Sergey Smirnov (geologist), Russian geologist
- Sergey Smirnov (writer), Russian writer
- Sergey Smirnov (artist), Russian artist
- Sergey Smirnov (shot putter), Soviet shot putter
- Sergei Smirnov (figure skater), 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''