Alexander Alexandrov or Aleksandr Aleksandrov may refer to:

• Aleksandr Aleksandrov (footballer, born 1988), Russian footballer
• Aleksandr Danilovich Aleksandrov (1912–1999), Russian mathematician and physicist
• Aleksandr Pavlovich Aleksandrov (born 1943), Russian cosmonaut
• Aleksandr Panayotov Aleksandrov (born 1951), Bulgarian cosmonaut
• Alexander Vasilyevich Alexandrov (1883–1946), Russian composer
• Aleksandar Aleksandrov (footballer, born 1975), known as Alex, Bulgarian footballer
• Aleksandar Aleksandrov (footballer, born April 1986), Bulgarian footballer
• Aleksandar Aleksandrov (footballer, born July 1986), Bulgarian footballer
• Aleksandar Aleksandrov (footballer, born 1993), Bulgarian footballer
• Aleksandar Aleksandrov (rower) (born 1990), Azerbaijani rower
• Aleksandar Aleksandrov (boxer) (born 1984), Bulgarian Olympic boxer
• Alexander Alexandrov (gymnastics coach) (born 1950), Russian gymnastics coach
• Aleksandar Aleksandrov (volleyball) (born 1944), Bulgarian Olympic volleyball player

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