Aleksandr Sergeyev may refer to:
Aleksandr Sergeyev (canoeist) (born 1994), Russian canoeist Aleksandr Sergeyev (chess player) (1897–1970), Russian chess player Aleksandr Sergeyev (footballer, born 1998), Russian football player Alexander Sergeev (physicist) (born 1955), Russian physicist Aleksandr Sergeyev (triple jumper) (born 1983), Russian triple jumper