Aleksandra Antonova or Alexandra Antonova (Russian: Александра Антонова) may refer to the following notable people:
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Aleksandra Antonova (hurdler) (born 1980), Russian hurdle runner
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Aleksandra Antonova (water polo) (born 1991), Russian water polo player
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Aleksandra Antonova (writer) (1932–2014), Kildin Sami and Russian teacher, writer, poet and translator
{{hndis, Antonova, Aleksandra