Alexey Semyonov may refer to:
Alexey Semyonov (footballer, born 1949) (Alexey Alexandrovich Semyonov), Russian association football player and coach Alexei Semenov (mathematician) (born 1950), Russian scientist-mathematician, academician of the Russian Academy of Sciences Aleksey Semyonov (Uzbekistani footballer) (born 1968), Uzbekistan football defender Alexei Semenov (ice hockey) (born 1981), Russian ice hockey defenceman Aleksei Semyonov (footballer, born 1983) (Aleksei Vladimirovich Semyonov), Russian association football player Alexei Semyonov (ice hockey) (born 1986), Russian ice hockey goaltender
See also Semyonov (disambiguation)