Alexey Semyonov

Alexey Semyonov may refer to:


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