Aleksandr Mikhailovich Lesnoy (Cyrillic: Александр Михайлович Лесной; born 28 July 1988) is Russian athlete specialising in the shot put. He won the gold medal at the 2013 Summer Universiade.
His personal bests in the event are 21.40 metres outdoors (Sochi 2014) and 20.51 metres indoors (Moscow 2014).