Alexey Nikolaev or Aleksey Nikolaev may refer to:
Alexey Nikolaev (archer) (born 1987), Russian archer Aleksey Nikolaev (footballer, born 1979), Russian-Uzbekistan footballer for FK Samarqand-Dinamo Aleksei Nikolaev (referee) (born 1971), Russian football referee Alexey Grigoryevich Nikolayev, Soviet Army officer and Hero of the Soviet Union Aleksei Nikolayev (footballer, born 1985), Russian footballer for FC Torpedo Armavir Aleksey Nikolaev (wrestler), Belarusian freestyle wrestler