Aleksandr or Alexander Popov may refer to:
Science Aleksandr Popov (geologist) (1913–1993), Soviet permafrost researcher Aleksandr Popov (chemist) (1840–1881), Russian organic chemist Aleksandr Popov (physicist) (1859–1906), Russian physicist
Sports Aleksandr Popov (weightlifter) (born 1959), Soviet weightlifter Aleksandr Popov (biathlete) (born 1965), Russian biathlete Aleksandr Popov (footballer) (born 1971), Russian footballer Aleksandr Popov (swimmer) (born 1971), Russian swimmer Aleksandr Popov (volleyball coach) (born 1972), Bulgarian volleyball player and coach Aleksandr Popov (canoeist) (born 1975), Uzbekistani sprint canoeist Aleksandr Popov (ice hockey) (born 1980), Russian professional ice hockey forward Aleksandr Popov (figure skater) (born 1984), Russian pair skater
Other Alexander Popov (film), a 1949 film about the Russian physicist Alexander Stepanovich Popov Alexander Popov (historian) (1841–1881), Russian historian, discoverer of the Nominalia of the Bulgarian khans Alex Popov (architect) (born 1942), Australian architect Alex Popov, the plaintiff in the property law case of Popov v. Hayashi
See also Alex Popow (born 1975), Venezuelan racing driver Popov