Sergei Sergeyevich Smirnov
Sergei Sergejewitsch Smirnow is the name of the following people:
- Sergei Sergejewitsch Smirnow (geologist) (1895-1947), Russian geologist
- Sergei Sergejewitsch Smirnow (writer) (1915–1976), Soviet writer and historian
- Sergei Sergejewitsch Smirnow (skeleton pilot) (* 1985), Russian skeleton pilot
