Sergey Smirnov
Sergei Smirnov is the name of:
- Sergei Smirnov ( cyclist ) ( born 1985 ), Russian cyclist
- Sergei Sergeyevich Smirnov ( geologist ) ( 1895-1947 ), Russian geologist
- Sergei Sergeyevich Smirnov ( writer ) ( 1915-1976 ), Soviet writer and historian
- Sergei Sergeyevich Smirnov ( Skeleton Pilot) (* 1985), Russian Skeleton Pilot
- Sergei Valentinovich Smirnov (1960-2003), Russian shot putter
- Disambiguation