Alexey Semyonov
Alexey Semyonov may refer to:
- Alexey Alexandrovich Semyonov, Russian association football player and coach
- Alexey Semyonov (mathematician), Russian scientist-mathematician, academician of the Russian Academy of Sciences
- Aleksey Semyonov (Uzbekistani footballer), Uzbekistan football defender
- Alexei Semenov, Russian ice hockey defenceman
- Aleksei Vladimirovich Semyonov, Russian association football player
- Alexei Semyonov (ice hockey), Russian ice hockey goaltender